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@article{MI_1976__39_189356, author = {{\CYRB}.{\CYRR}. {\CYRF}{\cyrr}{\cyre}{\cyrn}{\cyrk}{\cyri}{\cyrn}}, title = {{\CYRS}{\cyrv}{\cyro}{\cyrd}{\cyri}{\cyrm}{\cyrery}{\cyre} $n$- {\cyrk}{\cyrv}{\cyra}{\cyrz}{\cyri}{\cyrg}{\cyrr}{\cyru}{\cyrp}{\cyrp}{\cyrery} {\cyri} {\cyri}{\cyrh} {\cyri}{\cyrz}{\cyro}{\cyrt}{\cyro}{\cyrp}{\cyrery}}, journal = {Matemati\v{c}eskie issledovani\^a}, pages = {216--225}, publisher = {mathdoc}, volume = {39}, year = {1976}, zbl = {0372.20060}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MI_1976__39_189356/} }
Б.Р. Френкин. Сводимые $n$- квазигруппы и их изотопы. Matematičeskie issledovaniâ, Tome 39 (1976), pp. 216-225. http://geodesic.mathdoc.fr/item/MI_1976__39_189356/