@BOOK{ Book!D - 69327387,
AUTHOR = "Murray S. Klamkin",
TITLE = "International mathematical olympiads, 1978-1985 and forty supplementary problem",
LIBRARY= "کتابخانه مرکزی و مرکز اسناد دانشگاه شهید مدنی آذربایجان",
SUBJECT = "Mathematics - Problems, exercises, etc",
URL = "/book/69327387/International-mathematical-olympiads-19781985-an/"}