TY - JOUR AU - V. V. Ryzhkov TI - Riemannian geometries of higher order. Imbedding problem JO - Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara PY - 1966 SP - 265 EP - 330 VL - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/INTG_1966_1_a8/ LA - ru ID - INTG_1966_1_a8 ER -