@BOOK{ Book!D - 77745514,
AUTHOR = "Ross, Kenneth a",
TITLE = "Discrete mathematics",
LIBRARY= "کتابخانه مرکزی و مرکز اطلاع رسانی دانشگاه فردوسی مشهد",
SUBJECT = "Mathematics ، Electronic data processing",
URL = "/book/77745514/Discrete-mathematics/"}