00965nam0-22003251i-450-9900013169904033210-8218-1042-1000131699FED01000131699(Aleph)000131699FED0100013169920000920d1990----km-y0itay50------baengVariations on a theme by KeplerVictor Guillemin, Shlomo SternbergProvidenceAmerican Mathematical Society1990VII, 88 p., 25 cmAmerican mathematical society colloquium publications42Meccanica celesteTeoria dei pianeti523.4Guillemin,Victor<1937- >40563Sternberg,ShlomoITUNINARICAUNIMARCBK990001316990403321120-M-69408MA1MA1Variations on a theme by Kepler375446UNINAING01