@article{DE_1990_26_11_a17, author = {F. I. Mamedov}, title = {Theorems of {Phragm\'en-Lindel\"of} type for second-order linear elliptic equations of divergence type with a positive right-hand side}, journal = {Differencialʹnye uravneni\^a}, pages = {1971--1978}, publisher = {mathdoc}, volume = {26}, number = {11}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1990_26_11_a17/} }