TY - JOUR AU - V. A. Goryushkin TI - Infiniteness of the fundamental groups of a series of $3$-manifolds JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1998 SP - 30 EP - 33 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1998_1_a6/ LA - ru ID - VMUMM_1998_1_a6 ER -