@BOOK{ Book!D - 91699033,
AUTHOR = "Hirschfelder, R.",
TITLE = "Introduction to discrete mathematics",
LIBRARY= "کتابخانه مرکزی دانشگاه صنعتی امیرکبیر",
SUBJECT = " Electronic data processing - Mathematics  ",
URL = "/book/91699033/Introduction-to-discrete-mathematics/"}