00958nam0-22003011i-450-990001019090403321000101909FED01000101909(Aleph)000101909FED0100010190920000920d1947----km-y0itay50------baengIntroduction to non-linear mechanicsby N. Kryloff and N. BogoliuboffLondon [etc.]Princeton University Press1947Annals of mathematics studies11A free translation by Solomon Lefschetz of excepts from two russian monographsMeccanica classica531Kryloff,N.344308Bogoliubov,Nikolai Nikolaevich<1909-1992>ITUNINARICAUNIMARCBK99000101909040332124-009.001828FI1FI1Introduction to non-linear mechanics348367UNINAING01