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@article{MMO_1980_41_a9, author = {M. Sh. {\CYRS}alenko}, title = {Classification of categories of relations and types of regularity of categories}, journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva}, pages = {241--285}, publisher = {mathdoc}, volume = {41}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MMO_1980_41_a9/} }
M. Sh. Сalenko. Classification of categories of relations and types of regularity of categories. Trudy Moskovskogo matematičeskogo obŝestva, Trudy Moskovskogo Matematicheskogo Obshchestva, Tome 41 (1980), pp. 241-285. http://geodesic.mathdoc.fr/item/MMO_1980_41_a9/