000 00325nam a2200133Ia 4500
008 231006s9999||||xx |||||||||||||| ||und||
020 _a9788181281838
041 _aeng
100 _aPerko, Lawrence
245 0 _aDifferential equations and dynamical systems
250 _a3rd ed.
260 _bSpringer
_c2001
942 _cBK
999 _c23269
_d23269