TY  - JOUR
AU  - V. E. Pronchatov
TI  - An error estimate for the averaging method in a two-frequency problem
JO  - Sbornik. Mathematics
PY  - 1985
SP  - 241
EP  - 258
VL  - 50
IS  - 1
UR  - http://geodesic.mathdoc.fr/item/SM_1985_50_1_a15/
LA  - en
ID  - SM_1985_50_1_a15
ER  -