000 00510nam a2200181Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a515.355
_bSa215
100 _aSanders J A
245 _aAveraging methods in nonlinear dynamical systems
260 _aN Y
_bSpringer Verlag
_c1985
300 _ax,247p.
440 _aApplied mathematical science; v 59
650 _aNonlinear differential equations
700 _aVerhulst Ferdinand
_4Auth.
942 _cBK
999 _c5239
_d5239