@article{IZKAB_2018_6-1_a4,
     author = {Ph. A. Karova},
     title = {A priori estimate for solution of the
},
     journal = {News of the Kabardin-Balkar scientific center of RAS},
     pages = {28--32},
     publisher = {mathdoc},
     number = {6-1},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IZKAB_2018_6-1_a4/}
}