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@article{KUKZ_1966_3_3_a1, author = {L. A. Aksent'ev}, title = {Construction of the {Schwarz} operator by the symmetry method}, journal = {Trudy seminara po kraevym zada\v{c}am}, pages = {11--24}, publisher = {mathdoc}, volume = {3}, number = {3}, year = {1966}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KUKZ_1966_3_3_a1/} }
L. A. Aksent'ev. Construction of the Schwarz operator by the symmetry method. Trudy seminara po kraevym zadačam, Trudy Seminara po Kraevym Zadacham, Tome 3 (1966) no. 3, pp. 11-24. http://geodesic.mathdoc.fr/item/KUKZ_1966_3_3_a1/