@BOOK{ Book!D - 100321139,
AUTHOR = "/ by Wayne M. Dymacek, Herry Sharp",
TITLE = "Introduction to discrete mathematics",
LIBRARY= "کتابخانه مؤسسه ژئوفیزیک (دانشگاه تهران)",
SUBJECT = "Mathematics",
URL = "/book/100321139/Introduction-to-discrete-mathematics/"}