@article{DAN_1993_333_4_a2, author = {V. Eger and O. A. Oleinik and A. S. Shamaev}, title = {On the averaging problem for the {Laplace} equation in a partially}, journal = {Doklady Akademii Nauk}, pages = {424--427}, publisher = {mathdoc}, volume = {333}, number = {4}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1993_333_4_a2/} }