TY - JOUR AU - Ü. G. Lumiste TI - Projective connections in canonical bundles of manifolds of planes JO - Sbornik. Mathematics PY - 1973 SP - 223 EP - 248 VL - 20 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1973_20_2_a2/ LA - en ID - SM_1973_20_2_a2 ER -