@BOOK{ Book!D - 68735793,
AUTHOR = "compiled and with solutions by Charles T. Salkind and James M. Earl",
TITLE = "The contest problem book III",
LIBRARY= "كتابخانه مركزی دانشگاه شهركرد",
SUBJECT = "Mathematics- Problems, exercises, etc,Mathematics- Competitions",
URL = "/book/68735793/The-contest-problem-book-III/"}