Lorenz, Jens Nonlinear singular parturbation problems and the engquist-Osher difference scheme - Nijmegen: Catholic University, Department of Mathematics, 1981. - 31p.: 21cm. Bibliography: p.31 Subjects--Topical Terms: Perturbation (Mathematics)SingularitiesDifference equations LC Class. No.: QA3.R46 no.8115