TY  - JOUR
AU  - V. B. Andreev
TI  - On the accuracy of modified difference and finite-element schemes for a model problem on cracks
JO  - Differencialʹnye uravneniâ
PY  - 1981
SP  - 1184
EP  - 1192
VL  - 17
IS  - 7
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1981_17_7_a2/
LA  - ru
ID  - DE_1981_17_7_a2
ER  -