%0 Journal Article %A V. S. Abramov %T The condensation of dialkylphosphorous acids with carboxylic acid derivatives %J Doklady Akademii Nauk %D 1957 %P 811-812 %V 117 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1957_117_5_a21/ %G ru %F DAN_1957_117_5_a21