01015nam2-2200337---450-99000327700020331620090622084748.0000327700USA01000327700(ALEPH)000327700USA0100032770020090622d1982----km-y0itay50------baengDE||||||||001yySymmetry of polycentric systemsthe polycentric tensor algebra for moleculesGerhard FieckBerlinSpringer1982VI, 137 p.ill.24 cmLecture notes in physics1670010003151052001Lecture notes in physics167Analisi matematica515.42FIECK,Gerhard46786ITsalbcISBD990003277000203316530 LNP (167)9837/CBS53000223910BKSCIRSIAV79020090622USA010847Symmetry of polycentric systems190910UNISA