000 00408nam a2200169Ia 4500
082 _a530.1
_bM397.TD
100 _aMaslov, V. P.
245 _aTheorie des perturbations et methodes asymptotiques
_b
260 _aParis
_bGauthier-Villars
_c1972
300 _axvi, 384p. Bibl.
500 _a"Etudes Mathematiques".
500 _a
690 _a
700 _a
964 _a
_b
_c
_d
_e
_f
_g
921 _a16561
999 _c16561
_d16561