00868nam a2200181Ia 450000500170000000800410001702000130005808200150007110000170008624500410010326000570014430000180020150503190021970000210053894200080055999900170056795201020058420241211205639.0241211s1947 xx 000 0 und d afcnm1872 a530.1I/K85 aKryloff, N.  0aIntroduction to Non-Linear Mechanics aU.S.A :bPrinceton Princeton University Press,c1947 a106 páginas a1.Some non-linear oscillatory. 2.Elementary theory of the first approximation. 3.Refinement of the first approximation. 4.Construction of the higher approximation. 5.Linearization. 6.Application of symbolic methods to linearization. 7.Multiply periodic systems. 8.Influence of periodic disturbances. 9.Complements. a Bogoliuboff, N. yLIB c51093d51093 00104070aBE-FCNMbBE-FCNMcTPd2018-05-31eDonacionfBuenoo530.1I/K85pFCNM3126yLIBzExterno