@BOOK{ Book!D - 72161898,
AUTHOR = "Riordan, John",
TITLE = "An introduction to combinatorial analysis",
LIBRARY= "كتابخانه مركزی دانشگاه صنعتی شریف",
SUBJECT = "، Combinations,، Permutations",
URL = "/book/72161898/An-introduction-to-combinatorial-analysis/"}