TY - JOUR AU - R. M. Geidel'man TI - The metric theory of pseudo-congruences of lines in $^3S_5$ and the projective theory on pairs of congruences of lines of the space $P_3$. JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1971 SP - 23 EP - 32 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1971_3_a3/ LA - ru ID - IVM_1971_3_a3 ER -