00992nam0-2200349---450-99000874416040332120081110100957.00-486-67551-3000874416FED01000874416(Aleph)000874416FED0100087441620081030d1998----km-y0itay50------baengUSy-------001yy<<A >>first look at perturbation theoryJames G. Simmonds, James E. Mann2nd ed.Mineola, New YorkDoverc1998X, 139 p.22 cmTeoria della perturbazioneCalcolo differenziale515.3320itaSimmonds,James G.57156Mann,James E.310775ITUNINARICAUNIMARCBK99000874416040332160 515.33 B 1211477FAGBCFAGBCFirst look at perturbation theory720707UNINA