00853nam0-22003011i-450-99000058381040332120001010000058381FED01000058381(Aleph)000058381FED0100005838120001010d--------km-y0itay50------baitay-------001yyEXTREMUM AND VARIATIONAL PRINCIPLES IN MECHANICSLIPPMANN HORSTUdineCISM1970Calcolatori elettronici e applicazioniCalcolo MatricialeProgrammazione LineareLippmann,Horst29306ITUNINARICAUNIMARCBK99000058381040332107 D-82DINSCDINSCEXTREMUM AND VARIATIONAL PRINCIPLES IN MECHANICS318658UNINAING01