%0 Journal Article %A L. F. German %A V. P. Soltan %A P. S. Soltan %T Certain properties of $\mathrm{d}$-convex sets %J Doklady Akademii Nauk %D 1973 %P 1276-1279 %V 212 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1973_212_6_a1/ %G ru %F DAN_1973_212_6_a1