TY - JOUR AU - V. A. Iskovskikh TI - Congruences of conics in $\mathbf{P}^3$ JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1982 SP - 57 EP - 62 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1982_6_a11/ LA - ru ID - VMUMM_1982_6_a11 ER -