%0 Journal Article %A E. S. Logacheva %T Conjugacy problem subgroups in a free piece of infinite cyclic groups %J Čebyševskij sbornik %D 2013 %P 61-69 %V 14 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CHEB_2013_14_1_a5/ %G ru %F CHEB_2013_14_1_a5