@article{DE_1994_30_8_a16,
     author = {S. E. Pastukhova},
     title = {The averaging of a mixed problem with an oblique derivative for an elliptic operator in a perforated domain},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1445--1456},
     publisher = {mathdoc},
     volume = {30},
     number = {8},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1994_30_8_a16/}
}