TY - JOUR AU - G. V. Bushmanova TI - Weyl and Riemannian geometries induced on a surface by the straight lines of a canonical pencil JO - Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki PY - 1952 SP - 109 EP - 115 VL - 112 IS - 10 UR - http://geodesic.mathdoc.fr/item/UZKU_1952_112_10_a8/ LA - ru ID - UZKU_1952_112_10_a8 ER -