@article{RM_2004_59_5_a9,
     author = {A. A. Kon'kov},
     title = {Comparison theorems for elliptic divergence inequalities containing},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {961--962},
     year = {2004},
     volume = {59},
     number = {5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2004_59_5_a9/}
}