@article{DE_1995_31_6_a14,
     author = {S. E. Pastukhova},
     title = {On the error of averaging for the {Steklov} problem in a punctured domain},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1042--1054},
     publisher = {mathdoc},
     volume = {31},
     number = {6},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1995_31_6_a14/}
}