@article{TM_1974_131_a9,
     author = {V. D. Kopchenov},
     title = {A method of fictitious domains for the second and third boundary value problems},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {119--127},
     year = {1974},
     volume = {131},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1974_131_a9/}
}