Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS_1952__73_1_a9, author = {{\CYRA}.{\CYRI}. {\CYRM}{\cyra}{\cyrl}{\cyrsftsn}{\cyrc}{\cyre}{\cyrv}}, title = {{\CYRS}{\cyri}{\cyrm}{\cyrm}{\cyre}{\cyrt}{\cyrr}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyre} {\cyrg}{\cyrr}{\cyru}{\cyrp}{\cyrp}{\cyro}{\cyri}{\cyrd}{\cyrery}}, journal = {Matemati\v{c}eskij sbornik}, pages = {136--151}, publisher = {mathdoc}, volume = {73}, number = {1}, year = {1952}, zbl = {0048.25204}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1952__73_1_a9/} }
А.И. Мальцев. Симметрические группоиды. Matematičeskij sbornik, Tome 73 (1952) no. 1, pp. 136-151. http://geodesic.mathdoc.fr/item/MS_1952__73_1_a9/