@BOOK{ Book!D - 104724997,
AUTHOR = "/ N Ch S N Iyengar...[et. al]",
TITLE = "Discrete mathematics",
LIBRARY= "کتابخانه دانشگاه علوم کشاورزی و منابع طبیعی گرگان",
SUBJECT = "Computer science - Mathematics,Mathematics",
URL = "/book/104724997/Discrete-mathematics/"}