Zill, Dennis G.
A First course in differential equations with modeling applications. - Pacific Grove : Brooks/ Cole, 2000. - 7th ed. 438p., indexreferences, appendix. ; cm.
0534379990
Differential Equations.
QA372.Z69
A First course in differential equations with modeling applications. - Pacific Grove : Brooks/ Cole, 2000. - 7th ed. 438p., indexreferences, appendix. ; cm.
0534379990
Differential Equations.
QA372.Z69