000 00373nam a2200133Ia 4500
008 190711s9999 xx 000 0 und d
082 _a521.4 B445
100 _aBELLMAN,R
245 0 _aPERTURBATION TECHNIQUES IN MATHEMATICS,PHYSICS AND ENGINEERING
260 _aNEW YORK
_bHolt, Rinehart & Winston
_c1964
300 _a24X15
490 _aATHENA SERIES
942 _cBK
_2DDC
999 _c12427
_d12427