%0 Journal Article %A Yu. G. Borod'ko %A Ya. K. Syrkin %T Molecular compounds of diphenylcyclopropenone, tropone and benzophenone with hydrogen chloride %J Doklady Akademii Nauk %D 1961 %P 1335-1338 %V 136 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1961_136_6_a17/ %G ru %F DAN_1961_136_6_a17