@BOOK{ Book!D - 90070555,
AUTHOR = " by George Boole",
TITLE = "A treatise on differential equations /",
LIBRARY= "مرکز و کتابخانه مطالعات اسلامی به زبان‌های اروپایی",
SUBJECT = "Differential equations",
URL = "/book/90070555/A-treatise-on-differential-equations/"}