TY  - JOUR
AU  - A. A. Kosmodem'yanskii (Jr.)
TI  - Sufficient conditions for the concavity of the solution of the dirichlet problem for the equation $\Delta u=-1$
JO  - Matematičeskie zametki
PY  - 1987
SP  - 537
EP  - 542
VL  - 42
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1987_42_4_a5/
LA  - ru
ID  - MZM_1987_42_4_a5
ER  -