000 00386nam a22001457a 4500
005 20250510085100.0
008 250510b |||||||| |||| 00| 0 eng d
041 _aeng
100 _aSimmonds James G.
245 _aA First Look At Perturbation Theory
_c/ by James G.Simmonds
250 _a2nd.ed
260 _aNew York
_bDover Publications Inc.
_c1986
300 _a139p.
942 _cBK
999 _c37500
_d37500