TY  - JOUR
AU  - G. I. Shishkin
TI  - Approximation of the solutions of singularly perturbed boundary
JO  - Doklady Akademii Nauk
PY  - 1987
SP  - 39
EP  - 43
VL  - 296
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1987_296_1_a8/
LA  - ru
ID  - DAN_1987_296_1_a8
ER  -