Два примера $HNN$-расширений
Čebyševskij sbornik, Tome 13 (2012) no. 1, pp. 115-117.

Voir la notice de l'article provenant de la source Math-Net.Ru

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     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}},
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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/

[1] O. Bogopolski, A. Martino, E. Ventura, The automorphism group of a free-by-cyclic grop in rank 2, 15 Feb. 2006, arXiv: math GR/0602327v1 | Zbl

[2] R. Lindon, P. Shupp, Kombinatornaya teoriya grupp, Mir, M., 1980 | MR