Introduction to differential equations
Boyce, William E.
Introduction to differential equations - London: John Wiley and Sons, Inc, 1970. - xiii,280p. : ill. ; 24cm.
Diffrential equations
QA372.B74
Introduction to differential equations - London: John Wiley and Sons, Inc, 1970. - xiii,280p. : ill. ; 24cm.
Diffrential equations
QA372.B74