%0 Journal Article %A I. S. Ivanov %T Free $T$-sums of multioperator skew fields %J Doklady Akademii Nauk %D 1965 %P 28-30 %V 165 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1965_165_1_a6/ %G ru %F DAN_1965_165_1_a6