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@article{DAN_1964_154_3_a13, author = {L. N. Shevrin}, title = {Projectivities of semi-lattices}, journal = {Doklady Akademii Nauk}, pages = {538--541}, publisher = {mathdoc}, volume = {154}, number = {3}, year = {1964}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1964_154_3_a13/} }
L. N. Shevrin. Projectivities of semi-lattices. Doklady Akademii Nauk, Tome 154 (1964) no. 3, pp. 538-541. http://geodesic.mathdoc.fr/item/DAN_1964_154_3_a13/