%0 Journal Article %A V. T. Aleksanyan %A Kh. E. Sterin %T Orientation of the $\pi$-electron cloud in the cyclopropane ring %J Doklady Akademii Nauk %D 1960 %P 1373-1375 %V 131 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1960_131_6_a35/ %G ru %F DAN_1960_131_6_a35