@BOOK{ Book!D - 101487174,
AUTHOR = "/ George Szpiro",
TITLE = "Kepler's conjecture",
LIBRARY= "كتابخانه مركزی دانشگاه بين المللی امام خمينی (ره) قزوين",
SUBJECT = "Mathematics- Popular works",
URL = "/book/101487174/Keplers-conjecture/"}