Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_1986_16_1a_12, author = {{\CYRYA}{\cyra}{\cyrn}{\cyre}{\cyrz} {\CYRU}{\cyrsh}{\cyra}{\cyrn}}, title = {{\CYRA}tm {\cyri} {At-3} -{\cyrk}{\cyrv}{\cyra}{\cyrz}{\cyri}{\cyrg}{\cyrr}{\cyru}{\cyrp}{\cyrp}{\cyrery}}, journal = {Novi Sad Journal of Mathematics}, pages = {143-159}, publisher = {mathdoc}, volume = {16}, number = {1}, year = {1986}, url = {http://geodesic.mathdoc.fr/item/NSJOM_1986_16_1a_12/} }
Яанез Ушан. Аtm и At-3 -квазигруппы. Novi Sad Journal of Mathematics, Tome 16 (1986) no. 1. http://geodesic.mathdoc.fr/item/NSJOM_1986_16_1a_12/