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@article{MS_1963__103_3_a2, author = {{\CYRK}.{\CYRA}. {\CYRZ}{\cyra}{\cyrr}{\cyre}{\cyrc}{\cyrk}{\cyri}{\cyrishrt}}, title = {{\CYRP}{\cyro}{\cyrl}{\cyru}{\cyrg}{\cyrr}{\cyru}{\cyrp}{\cyrp}{\cyra} {\cyrb}{\cyri}{\cyrn}{\cyra}{\cyrr}{\cyrn}{\cyrery}{\cyrh} {\cyro}{\cyrt}{\cyrn}{\cyro}{\cyrsh}{\cyre}{\cyrn}{\cyri}{\cyrishrt}}, journal = {Matemati\v{c}eskij sbornik}, pages = {291--305}, publisher = {mathdoc}, volume = {103}, number = {3}, year = {1963}, zbl = {0125.28003}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1963__103_3_a2/} }
К.А. Зарецкий. Полугруппа бинарных отношений. Matematičeskij sbornik, Tome 103 (1963) no. 3, pp. 291-305. http://geodesic.mathdoc.fr/item/MS_1963__103_3_a2/