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	1.	No cover image available No cover image available No cover image available A simplified proof for a result of EKELAND and LASRY concerning the number of periodic Hamiltonan trajectries by Van Groesen, E. W. C [Author] Series: Report 8229 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Nijmegen : Catholic University, Department of Mathematics 1982 Availability: Items available for loan: Directorate of Library Services (UDSM) (1)Collection, call number: Science and Engineering Collection QA3.R46 no.8229 . Place hold Add to cart (remove)
	2.	No cover image available No cover image available No cover image available Applications of natural constrains in critical point theory to boundary value problems on domains with rotation symmetry by Van Groesen, E. W. C Material type: Text; Format: print ; Literary form: Not fiction Publication details: Nijmegen ; Catholic University, Department of Mathematics ; 1984 Availability: No items available. Add to cart (remove)
	3.	No cover image available No cover image available No cover image available Hamiltonian flow on an energy surface: 240 years after the enter-morpertuis principle by Van Groesen, E. W. C Material type: Text; Format: print ; Literary form: Not fiction Publication details: Nijmagen ; Catholic University, Department of Mathematics ; 1984 Availability: No items available. Add to cart (remove)
	4.	No cover image available No cover image available No cover image available Undirectional wave propagation in one-dimensional first order Hamiltonian systems by Van Groesen, E. W. C [Author] Series: Report 7904 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Nijmegen : Catholic University, Department of Mathematics, 1979 Availability: Items available for loan: UDSM Library (1)Collection, call number: Science and Engineering Collection QA3.R46 no.7904 . Place hold Add to cart (remove)
	5.	No cover image available No cover image available No cover image available Dual and inverse formulation of constrained extremum problems by Van Groesen, E. W. C [Author] Series: Report 7914 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Nijmegen : Catholic University, Department of Mathematics, 1979 Availability: Items available for loan: Directorate of Library Services (UDSM) (2)Collection, call number: Science and Engineering Collection QA3.R46 no.7914 , ... Place hold Add to cart (remove)
	6.	No cover image available No cover image available No cover image available Continuation of solutions of constrained estremum problems and nonlinear eignevalue problems by Van Groesen, E. W. C [Author] Series: Report 7919 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Nijmegen : Catholic University, Department of Mathematics, 1979 Availability: Items available for loan: Directorate of Library Services (UDSM) (2)Collection, call number: Science and Engineering Collection QA3.R46 no.7919, ... Place hold Add to cart (remove)
	7.	No cover image available No cover image available No cover image available Existence of multiple normal mode trajectories on convex energy surfaces of even, classicial Hamiltonian systems by Van Groesen, E. W. C [Author] Material type: Text; Format: print ; Literary form: Not fiction Publication details: Nijmegen: Catholic University, Department of Mathematics, 1983 Availability: Items available for loan: Directorate of Library Services (UDSM) (2)Collection, call number: Social Sciences Collection QA3.R46 no.8306 , ... Place hold Add to cart (remove)
	8.	No cover image available No cover image available No cover image available Analytical mini-max methods for Hamiltonian brake orbits of prescribed energy by Van Groesen, E. W. C Material type: Text; Format: print ; Literary form: Not fiction Publication details: Nijmegen ; Catholic University, Department of Mathematics ; 1985 Availability: No items available. Add to cart (remove)