000 00319nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a517.38 C689
100 _aCOLE.J.D
245 0 _aPERTURBATION METHODS IN APPLIED MATHEMATICS
260 _aWALTHAM
_bBlaisdell Publishing
_c1968
300 _a23X15
942 _cBK
_2DDC
999 _c15042
_d15042