Hsiang, Wu Yi, 1937- Least action principle of crystal formation of dense packing type and the proof of Kepler's conjecture [electronic resource] / Hsiang, Wu-Yi. - Singapore ; River Edge, NJ : World Scientific, 2001. - xxi, 402 p. : ill. Includes bibliographical references. ISBN: 9789812384911 Subjects--Topical Terms: Kepler's conjecture.Sphere packings.Crystallography, Mathematical. Index Terms--Genre/Form: Electronic books. LC Class. No.: QA166.7 / .H85 2001