@article{DE_1995_31_6_a10,
     author = {R. Z. Dautov},
     title = {On exact penalty operators for elliptic variational inequalities with an obstacle inside the domain},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1008--1017},
     publisher = {mathdoc},
     volume = {31},
     number = {6},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1995_31_6_a10/}
}