@article{DAN_1984_278_3_a6,
     author = {L. A. Muravei},
     title = {Existence of solutions of variational problems in domains with free boundaries},
     journal = {Doklady Akademii Nauk},
     pages = {541--544},
     year = {1984},
     volume = {278},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1984_278_3_a6/}
}