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@article{CHEB_2012_13_1_a12, author = {A. I. Nekritsukhin}, title = {{\CYRD}{\cyrv}{\cyra} {\cyrp}{\cyrr}{\cyri}{\cyrm}{\cyre}{\cyrr}{\cyra} $HNN$-{\cyrr}{\cyra}{\cyrs}{\cyrsh}{\cyri}{\cyrr}{\cyre}{\cyrn}{\cyri}{\cyrishrt}}, journal = {\v{C}eby\v{s}evskij sbornik}, pages = {115--117}, publisher = {mathdoc}, volume = {13}, number = {1}, year = {2012}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/CHEB_2012_13_1_a12/} }
A. I. Nekritsukhin. Два примера $HNN$-расширений. Čebyševskij sbornik, Tome 13 (2012) no. 1, pp. 115-117. http://geodesic.mathdoc.fr/item/CHEB_2012_13_1_a12/
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