@BOOK{ Book!D - 69347443, AUTHOR = "Wu-Yi Hsiang", TITLE = "Least action principle of crystal formation of dense packing type and Kepler's conjecture", LIBRARY= "کتابخانه مرکزی و مرکز اسناد دانشگاه شهید مدنی آذربایجان", SUBJECT = "Kepler's conjecture,Sphere packings,Crystallography, Mathematical", URL = "/book/69347443/Least-action-principle-of-crystal-formation-of-den/"}