@BOOK{ Book!D - 94545719,
AUTHOR = "Polya, George",
TITLE = "Problems and theorems in analysis",
LIBRARY= "کتابخانه مرکزی دانشگاه صنعتی شاهرود",
SUBJECT = "، Mathematical analysis- Problems, exercis, etc",
URL = "/book/94545719/Problems-and-theorems-in-analysis/"}