@BOOK{ Book!D - 90146029,
AUTHOR = " Jayant V. Narlikar; Mangala Narlikar",
TITLE = "Fun and fundamentals of mathematics",
LIBRARY= "مرکز و کتابخانه مطالعات اسلامی به زبان‌های اروپایی",
SUBJECT = "Mathematical recreations,Mathematics -- Problems, exercises, etc.,Mathematics -- Study and teaching (Secondary)",
URL = "/book/90146029/Fun-and-fundamentals-of-mathematics/"}