@BOOK{ Book!D - 100981934,
AUTHOR = "/ G. Polya, G. Szego",
TITLE = "Problems and theorems in analysis",
LIBRARY= "كتابخانه پردیس علوم (دانشگاه تهران)",
SUBJECT = "Mathematical analysis -- Problems, exercises, etc",
URL = "/book/100981934/Problems-and-theorems-in-analysis/"}