000 00433nam a2200169Ia 4500
008 170101s1969 xx 000 0 und d
082 _a530.123 M59A
100 _aMIGDAL, A.B
245 0 _aApproximation methods in quantum mechanics
260 _bN.Y
_c1969
300 _a146p
440 _aFrontier in physics
650 _aQUANTUM THEORY
653 _aAPPROXIMATIC COMPUTATION
653 _aQUANTUM THEORY
942 _2ddc
_cB
999 _c56897
_d56897