@article{RM_2002_57_3_a12,
     author = {A. A. Kon'kov},
     title = {Comparison theorems for elliptic inequalities with a~non-linearity in the principal part},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {599--600},
     publisher = {mathdoc},
     volume = {57},
     number = {3},
     year = {2002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2002_57_3_a12/}
}