@article{RM_1978_33_2_a18,
     author = {V. A. Shalaumov},
     title = {On a~problem with a~small parameter for~second-order elliptic equations},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {247--248},
     publisher = {mathdoc},
     volume = {33},
     number = {2},
     year = {1978},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1978_33_2_a18/}
}