000			00316nam a2200097Ia 4500
008			220816s9999||||xx |||||||||||||| ||und||
020			_a0387962298 (pbk.) :
245		0	_aAveraging methods in nonlinear dynamical systems _cSanders, J. A.
260			_aNew York: _bSpringer-Verlag, _c1985
300			_ax, 247 p. : _bill. ; _c24 cm.
999			_c197 _d197