@article{IM2_1999_63_2_a2,
     author = {A. A. Kon'kov},
     title = {On non-negative solutions of quasilinear elliptic inequalities},
     journal = {Izvestiya. Mathematics },
     pages = {255--329},
     publisher = {mathdoc},
     volume = {63},
     number = {2},
     year = {1999},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1999_63_2_a2/}
}