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@article{DAN_1962_142_4_a17, author = {B. M. Shain}, title = {Representation of semigroups by binary relations}, journal = {Doklady Akademii Nauk}, pages = {808--811}, publisher = {mathdoc}, volume = {142}, number = {4}, year = {1962}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1962_142_4_a17/} }
B. M. Shain. Representation of semigroups by binary relations. Doklady Akademii Nauk, Tome 142 (1962) no. 4, pp. 808-811. http://geodesic.mathdoc.fr/item/DAN_1962_142_4_a17/