000 00456nam a2200169Ia 4500
008 190215s9999||||xx |||||||||||||| ||und||
020 _a9780486675510
082 _a515.35
_bSim
100 _aSimmonds, James G.
_92207
245 0 _aFirst Look at Perturbation Theory
250 _a 2/e
260 _aNew York
_bDover Publication
_c1997
300 _ax,139p.
650 _aPerturbation (Mathematics)
_92208
700 _aMann, James E.
_92209
942 _cBK
_01
999 _c475
_d475