000 00468nam a22001577a 4500
005 20220518104937.0
008 091201t xxu||||| |||| 00| 0 eng d
082 _a515.35
_bBEN
100 _aBender,Carl M
_95634
245 _aAdvanced mathematical methods for scientist and engineers
_basymptotic methods and perturbation theory
300 _axii,581p.
653 _amathematics
942 _cBK
260 _aNew Delhi
_bSpringer
_c1999
_95635
020 _a9788181289063
999 _c189574
_d189574