%0 Journal Article %A N. I. Shuykin %A E. A. Timofeeva %A T. P. Dobrinina %T Dehydrogenation of $n$-pentane and isopentane in the presence of alumina~-- chromia~-- potassiumoxide catalyst %J Doklady Akademii Nauk %D 1958 %P 485-487 %V 121 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1958_121_3_a23/ %G ru %F DAN_1958_121_3_a23