%0 Journal Article %A I. I. Levitskii %A M. G. Gonikberg %T The effects of oxygen and water on the hydrogenation and isomerization activity of tungsten-sulphide catalysts %J Doklady Akademii Nauk %D 1961 %P 609-611 %V 137 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1961_137_3_a28/ %G ru %F DAN_1961_137_3_a28