000 00416pam a2200145a 44500
008 140414b1972 xxu||||| |||| 00| 0 eng d
082 _aB33
_bGIA L2
100 _aGIACAGLIA, G E O
245 _aPerturbation Methods in Non-Linear Systems
_c
260 _aNewyork
_bSpringer -Verlag
_c1972
650 _a PERTURBATION METHODS IN NON-LINEAR SYSTEMS
650 _aMATHEMATICS
690 _aMATHEMATICS
906 _a25535
999 _c24522
_d24522