@BOOK{ Book!D - 91676373,
AUTHOR = "RIORDAN,JOHN",
TITLE = "An introduction to combinatorial analysis",
LIBRARY= "کتابخانه مرکزی دانشگاه صنعتی امیرکبیر",
SUBJECT = " COMBINATIONS  , PERMUTATIONS  ",
URL = "/book/91676373/An-introduction-to-combinatorial-analysis/"}