@article{RM_1996_51_3_a16,
     author = {G. A. Smolkin},
     title = {On a property of solutions of a~special class of degenerate elliptic equations},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {561--562},
     publisher = {mathdoc},
     volume = {51},
     number = {3},
     year = {1996},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1996_51_3_a16/}
}