Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1999_65_4_a6, author = {V. V. Kurta}, title = {On the absence of positive solutions of elliptic equations}, journal = {Matemati\v{c}eskie zametki}, pages = {552--561}, publisher = {mathdoc}, volume = {65}, number = {4}, year = {1999}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1999_65_4_a6/} }
V. V. Kurta. On the absence of positive solutions of elliptic equations. Matematičeskie zametki, Tome 65 (1999) no. 4, pp. 552-561. http://geodesic.mathdoc.fr/item/MZM_1999_65_4_a6/