@article{MMO_1957_6_a5,
     author = {B. I. Plotkin},
     title = {Radical and semi-simple groups},
     journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva},
     pages = {299--336},
     publisher = {mathdoc},
     volume = {6},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MMO_1957_6_a5/}
}