@article{DE_1998_34_4_a13,
     author = {Nguyen Manh Hung},
     title = {On the absence of positive solutions of second-order nonlinear elliptic equations in conical domains},
     journal = {Differencialʹnye uravneni\^a},
     pages = {533--539},
     publisher = {mathdoc},
     volume = {34},
     number = {4},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1998_34_4_a13/}
}