TY - JOUR AU - D. I. Moldavanskii TI - On Howson’s property of descending HNN extensions of groups JO - Čebyševskij sbornik PY - 2010 SP - 103 EP - 110 VL - 11 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CHEB_2010_11_3_a10/ LA - ru ID - CHEB_2010_11_3_a10 ER -