@article{DAN_1993_330_2_a4,
     author = {Yu. A. Dubinskii},
     title = {On a periodic problem for nonlinear {\textquotedblleft}elliptic{\textquotedblright} equations with},
     journal = {Doklady Akademii Nauk},
     pages = {148--150},
     year = {1993},
     volume = {330},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1993_330_2_a4/}
}