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@article{MI_1976__43_189409, author = {{\CYRA}.{\CYRM}. {\CYRCH}{\cyre}{\cyrb}{\cyra}{\cyrn}}, title = {{\CYRL}{\cyru}{\cyrp}{\cyrery} {\cyrs} {\cyrt}{\cyro}{\cyrzh}{\cyrd}{\cyre}{\cyrs}{\cyrt}{\cyrv}{\cyra}{\cyrm}{\cyri} {\cyrd}{\cyrl}{\cyri}{\cyrn}{\cyrery} {\cyrch}{\cyre}{\cyrt}{\cyrery}{\cyrr}{\cyre} {\cyrr}{\cyra}{\cyrn}{\cyrg}{\cyra} {\cyrt}{\cyrr}{\cyri}}, journal = {Matemati\v{c}eskie issledovani\^a}, pages = {196--202}, publisher = {mathdoc}, volume = {43}, year = {1976}, zbl = {0427.20056}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MI_1976__43_189409/} }
А.М. Чебан. Лупы с тождествами длины четыре ранга три. Matematičeskie issledovaniâ, Tome 43 (1976), pp. 196-202. http://geodesic.mathdoc.fr/item/MI_1976__43_189409/