00902nam0-22003011i-450 99000083316040332120190405113454.0000083316FED01000083316(Aleph)000083316FED0100008331620001010d1970----km-y0itay50------baengy-------001yyIntroduction to non-linear mechanicsN. Kryloff, N. BogoliuboffNew YorkKraus reprint1970106 p.23 cmRist. dell' ed.: Princeton : Princeton University Press, 1947Kryloff,N.344308Bogoliubov,Nikolai Nikolaevich543457ITUNINARICAUNIMARCBK99000083316040332102 67 D 113759FINBNFINBNIntroduction to non-linear mechanics1548270UNINAING01