@BOOK{ Book!D - 77759303,
AUTHOR = "Piskunov, Nikolai Semenovich",
TITLE = "Differential and integral calculus",
LIBRARY= "کتابخانه مرکزی و مرکز اطلاع رسانی دانشگاه فردوسی مشهد",
SUBJECT = "، Differential calculus,، Calculus, Integral",
URL = "/book/77759303/Differential-and-integral-calculus/"}