@article{MMO_1981_42_a1,
     author = {E. M. Landis},
     title = {Uniqueness theorems for the solution of the {Dirichlet} problem for second-order elliptic equations},
     journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva},
     pages = {50--63},
     publisher = {mathdoc},
     volume = {42},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MMO_1981_42_a1/}
}