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@article{MS_1969__120_2_a4, author = {{\CYRV}.{\CYRA}. {\CYRK}{\cyru}{\cyrz}{\cyrsftsn}{\cyrm}{\cyre}{\cyrn}{\cyrch}{\cyru}{\cyrk}}, title = {{\CYRO} {\cyrt}{\cyro}{\cyrch}{\cyrn}{\cyrery}{\cyrh} {\cyro}{\cyrp}{\cyre}{\cyrr}{\cyra}{\cyrc}{\cyri}{\cyrya}{\cyrh} {\cyrn}{\cyra} {\cyrk}{\cyrl}{\cyra}{\cyrs}{\cyrs}{\cyre} {\cyrt}{\cyro}{\cyrp}{\cyro}{\cyrl}{\cyro}{\cyrg}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyrg}{\cyrr}{\cyru}{\cyrp}{\cyrp}}, journal = {Matemati\v{c}eskij sbornik}, pages = {260--279}, publisher = {mathdoc}, volume = {120}, number = {2}, year = {1969}, zbl = {0234.22002}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1969__120_2_a4/} }
В.А. Кузьменчук. О точных операциях на классе топологических групп. Matematičeskij sbornik, Tome 120 (1969) no. 2, pp. 260-279. http://geodesic.mathdoc.fr/item/MS_1969__120_2_a4/