Ahsan, Zafar Differential equations and their applications - Second Edition - New Delhi Prentice-Hall 2013 - 514 p ISBN: 9788120325234 Subjects--Topical Terms: Mathematics LC Class. No.: 515.35 AHS 2013 Dewey Class. No.: 515.35 AHS 2013 National Library of Medicine Call No.: 515.35 AHS 2013