TY - JOUR AU - V. D. Milman TI - A certain transformation of convex functions and a duality of the $\beta$ and $\delta$ characteristics of a $B$-space JO - Doklady Akademii Nauk PY - 1969 SP - 33 EP - 35 VL - 187 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1969_187_1_a7/ LA - ru ID - DAN_1969_187_1_a7 ER -