@BOOK{ Book!D - 93069045,
AUTHOR = "/ [by] V. I. Arnold. Translated and edited by Richard A. Silverman",
TITLE = "Ordinary differential equation",
LIBRARY= "کتابخانه مرکزی و مرکز اطلاع رسانی دانشگاه محقق اردبیلی ره",
SUBJECT = "Differential equations",
URL = "/book/93069045/Ordinary-differential-equation/"}