%0 Journal Article %A A. G. Dragalin %T New forms of realizability and Markov's rule %J Doklady Akademii Nauk %D 1980 %P 534-537 %V 251 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1980_251_3_a3/ %G ru %F DAN_1980_251_3_a3