@article{MAIS_2014_21_4_a12,
     author = {E. A. Tumanova},
     title = {On the {Root-class} {Residuality} of {HNN-extensions} of {Groups}},
     journal = {Modelirovanie i analiz informacionnyh sistem},
     pages = {148--180},
     publisher = {mathdoc},
     volume = {21},
     number = {4},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MAIS_2014_21_4_a12/}
}