TY  - JOUR
AU  - A. N. Tikhonov
TI  - Small-parameter methods and their application
JO  - Differencialʹnye uravneniâ
PY  - 1985
SP  - 1659
EP  - 1661
VL  - 21
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1985_21_10_a0/
LA  - ru
ID  - DE_1985_21_10_a0
ER  -