@BOOK{ Book!D - 90066364,
AUTHOR = "",
TITLE = "1001 math problems",
LIBRARY= "مرکز و کتابخانه مطالعات اسلامی به زبان‌های اروپایی",
SUBJECT = "Mathematics-- Problems, exercises, etc",
URL = "/book/90066364/1001-math-problems/"}