%0 Journal Article %A A. M. Zubko %A E. Z. Spector %T On graphitization of carbon containing substances %J Doklady Akademii Nauk %D 1957 %P 1239-1241 %V 114 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1957_114_6_a21/ %G ru %F DAN_1957_114_6_a21