TY  - JOUR
AU  - G. I. Shishkin
TI  - Approximation of solutions and derivative of singularly perturbed elliptic equation of convection-diffusion
JO  - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki
PY  - 2003
SP  - 672
EP  - 689
VL  - 43
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZVMMF_2003_43_5_a2/
LA  - ru
ID  - ZVMMF_2003_43_5_a2
ER  -