%0 Journal Article %A E. B. Ludvig %A A. R. Gantmakher %A S. S. Medvedev %T Certain features in carbonium polymerization of sterene-$\alpha$-methylsterene system %J Doklady Akademii Nauk %D 1958 %P 90-93 %V 119 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1958_119_1_a17/ %G ru %F DAN_1958_119_1_a17