%0 Journal Article %A B. A. Dolgoplosk %A L. M. Romanov %A B. L. Erusalimskii %A V. Ya. Bohomolny %T Use of catalysts based on magnesium halogen alkyls and titanium tetrachloride in the production of amorphous and %J Doklady Akademii Nauk %D 1957 %P 731-733 %V 115 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1957_115_4_a20/ %G ru %F DAN_1957_115_4_a20