TY - JOUR AU - A. I. Iliev TI - Threefolds with a numerically effective canonical class of numerical dimension $1$ JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1988 SP - 3 EP - 6 IS - 1 UR - http://geodesic.mathdoc.fr/item/VMUMM_1988_1_a0/ LA - ru ID - VMUMM_1988_1_a0 ER -