@article{DAN_1988_298_5_a8,
     author = {N. V. Miroshin},
     title = {On the variational {Dirichlet} problem for elliptic operators that},
     journal = {Doklady Akademii Nauk},
     pages = {1069--1072},
     year = {1988},
     volume = {298},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1988_298_5_a8/}
}