000 00424nam#a2200169ua#4500
001 GOACATREC80887
900 0 0 _a20020205
901 0 0 _aENG
020 0 0 _a0381974911
245 0 0 _aAlgebraic mthods in nonlinear perturbation theory
100 0 0 _aBogaevski, V
440 0 0 _aApplied mathematical sciences
902 0 0 _a515.35
650 0 0 _aPerturbation theory
903 0 0 _a92873
260 0 0 _aNew York
_bSpringer Verlag
_c1991
999 _c80811
_d80811