00835nam0-22003011i-450 99000083171040332120190329121111.0000083171FED01000083171(Aleph)000083171FED0100008317120001010d1970----km-y0itay50------baengy-------001yy<<The >>variational principles mechanicsC. Lanczos4. ed.TorontoUniversity of Toronto1970XXIX, 418 p.22 cmMathematical expositions4Lanczos,Cornelius27778ITUNINARICAUNIMARCBK99000083171040332102 65 B 82845FINBNFINBNVariational principles mechanics348265UNINAING0100830cam0-22003251i-450 99000073891040332120190603144000.0000073891FED01000073891(Aleph)000073891FED0100007389120020821d1960----km-y0itay50------baitaITy-------001yy<<L'>>architettoFranco NasiFirenzeVallecchi1960231 p.19 cm<<Il >>bersaglio5Nasi,Franco37032ITUNINARICAUNIMARCBK990000738910403321ARCH A 335002FARBCARCH A 324974FARBCMTD 1346567DARPUDARPUFARBCArchitetto321572UNINA