01007nam a2200277 i 450099100102238970753620020507105237.0931105s1970 us ||| | eng b10162720-39ule_instLE00640883ExLDip.to Fisicaita53.1.32510.34Bogolubov, N.N.462482Introduction to non-linear mechanics /N. Kryloff and N.N. BogolubovPrinceton, NJ :Princeton University Press,1970106 p. :ill. ;23 cm.Annals of Mathematics Studies ;11Nonlinear mechanicsKrylov, Nikolai Sergeevich.b1016272017-02-1727-06-02991001022389707536LE006 510.34/510.39 KRY12006000021425le006-E0.00-l- 00000.i1019714x27-06-02Introduction to non-linear mechanics188739UNISALENTOle00601-01-93ma -engus 01