%0 Journal Article %A E. S. Logacheva %T The problem of the conjugation of words in $HNN$-extension with a finite number entrance letters of a tree product of cyclic groups with cyclic amalgamation %J Čebyševskij sbornik %D 2014 %P 50-65 %V 15 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CHEB_2014_15_2_a3/ %G ru %F CHEB_2014_15_2_a3