TY - JOUR AU - I. V. Bubyakin TI - On the differential geometry of complexes of two-dimensional planes of the projective space $P^n$ containing a finite number of torsos and characterized by the configuration of their characteristic lines JO - Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory PY - 2023 SP - 31 EP - 41 VL - 221 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/INTO_2023_221_a3/ LA - ru ID - INTO_2023_221_a3 ER -