@BOOK{ Book!D - 101373131,
AUTHOR = "David Gries, Fred B. Schneider",
TITLE = "A logical approach to discrete math",
LIBRARY= "کتابخانه پژوهشگاه دانشهای بنیادی",
SUBJECT = "، Mathematics",
URL = "/book/101373131/A-logical-approach-to-discrete-math/"}