%0 Journal Article %A È. I. Stankevich %A G. Ya. Vanag %T Asymmetric three carbon condensations with indandione-1,3 %J Doklady Akademii Nauk %D 1961 %P 607-609 %V 140 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1961_140_3_a24/ %G ru %F DAN_1961_140_3_a24