@BOOK{ Book!D - 100322566,
AUTHOR = "/ A. Chetwynd, P. Diggle",
TITLE = "Discrete mathematics",
LIBRARY= "کتابخانه مؤسسه ژئوفیزیک (دانشگاه تهران)",
SUBJECT = "Mathmatics,Computer science--mathematics",
URL = "/book/100322566/Discrete-mathematics/"}