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@article{MS_1981__156_1_a3, author = {{\CYRA}.{\CYRF}. {\CYRH}{\cyra}{\cyrr}{\cyrsh}{\cyri}{\cyrl}{\cyra}{\cyrd}{\cyrz}{\cyre}}, title = {{\CYRG}{\cyrr}{\cyru}{\cyrp}{\cyrp}{\cyrery} {{\CYRU}{\cyro}{\cyrl}{\cyrl}{\cyra}} {\cyrerev}{\cyrl}{\cyre}{\cyrm}{\cyre}{\cyrn}{\cyrt}{\cyra}{\cyrr}{\cyrn}{\cyrery}{\cyrh} 2-{\cyrg}{\cyrr}{\cyru}{\cyrp}{\cyrp}}, journal = {Matemati\v{c}eskij sbornik}, pages = {167--176}, publisher = {mathdoc}, volume = {156}, number = {1}, year = {1981}, zbl = {0463.18008}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1981__156_1_a3/} }
А.Ф. Харшиладзе. Группы Уолла элементарных 2-групп. Matematičeskij sbornik, Tome 156 (1981) no. 1, pp. 167-176. http://geodesic.mathdoc.fr/item/MS_1981__156_1_a3/