%0 Journal Article %A I. Ya. Bakelman %T Generalized Chebyshev nets and manifolds of bounded curvature %J Doklady Akademii Nauk %D 1961 %P 506-507 %V 138 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1961_138_3_a1/ %G ru %F DAN_1961_138_3_a1