@BOOK{ Book!D - 72095271,
AUTHOR = "Wiitala, Stephen A.",
TITLE = "Discrete mathematics : a unified approach",
LIBRARY= "كتابخانه مركزی دانشگاه صنعتی شریف",
SUBJECT = "، Mathematics,، Computer science-- Mathematics",
URL = "/book/72095271/Discrete-mathematics-a-unified-approach/"}