%0 Journal Article %A A. I. Konovalov %T Chemical shift and activity of dienophile in diene synthesis %J Doklady Akademii Nauk %D 1965 %P 343-346 %V 162 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1965_162_2_a27/ %G ru %F DAN_1965_162_2_a27