@article{DAN_1958_119_1_a17,
     author = {E. B. Ludvig and A. R. Gantmakher and S. S. Medvedev},
     title = {Certain features in carbonium polymerization of sterene-$\alpha$-methylsterene system},
     journal = {Doklady Akademii Nauk},
     pages = {90--93},
     publisher = {mathdoc},
     volume = {119},
     number = {1},
     year = {1958},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1958_119_1_a17/}
}