000 00458nam a2200181Ia 4500
001 54969
008 140505s9999 xx 000 0 und d
020 _aNA
040 _cPK-LaUMT
082 _aMAL 629.13232
_bSEA-S
100 _aSears, W. R.
245 _aSmall perturbation theory
_cSears, W. R.
260 _aNew Jersy,UK:
_bPrinceton university press,
_c1960
300 _a63 p.
546 _aEN
650 _aPerturbation-Mathematics
942 _cBK
999 _c52325
_d52325