%0 Journal Article %A A. V. Topchiev %A V. N. Andronov %T The polymerization of isobutilene in the presence of monofluophosphoric acid, difluophosphoric acid and a molecular %J Doklady Akademii Nauk %D 1957 %P 279-282 %V 112 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1957_112_2_a27/ %G ru %F DAN_1957_112_2_a27