@BOOK{ Book!D - 93553103,
AUTHOR = "/ [by] Earl A. Coddington [and] Norman Levinson",
TITLE = "Theory of ordinary differential equation",
LIBRARY= "کتابخانه مرکزی، مرکز اسناد و تامین منابع علمی دانشگاه صنعتی سهند",
SUBJECT = "Differential equations",
URL = "/book/93553103/Theory-of-ordinary-differential-equation/"}