@BOOK{ Book!D - 89959333,
AUTHOR = " compiled and with solutions by Murray S. Klamkin.",
TITLE = "International mathematical olympiads, 1978-1985 and forty supplementary problems /",
LIBRARY= "مرکز و کتابخانه مطالعات اسلامی به زبان‌های اروپایی",
SUBJECT = "Mathematics, Problems, exercises, etc.",
URL = "/book/89959333/International-mathematical-olympiads-19781985-an/"}