@BOOK{ Book!D - 103370684,
AUTHOR = "/ by: Earl A.Coddington",
TITLE = "An introduction to ordinary Differential equations",
LIBRARY= "كتابخانه مركزی و مركز اسناد دانشگاه شهيد چمران",
SUBJECT = "Differential equations",
URL = "/book/103370684/An-introduction-to-ordinary-Differential-equations/"}