@BOOK{ Book!D - 100409954,
AUTHOR = "Polya, George",
TITLE = "Problems and Theorems in Analysis",
LIBRARY= "کتابخانه مرکزی و مرکز اسناد دانشگاه زنجان",
SUBJECT = "، Mathematical Analysis - Problems, Exercises, etc",
URL = "/book/100409954/Problems-and-Theorems-in-Analysis/"}