@article{DAN_1957_114_6_a21,
     author = {A. M. Zubko and E. Z. Spector},
     title = {On graphitization of carbon containing substances},
     journal = {Doklady Akademii Nauk},
     pages = {1239--1241},
     publisher = {mathdoc},
     volume = {114},
     number = {6},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_114_6_a21/}
}