@article{SM_1970_12_4_a1,
     author = {A. I. Likhtman},
     title = {On rings radical over commutative subrings},
     journal = {Sbornik. Mathematics},
     pages = {511--520},
     publisher = {mathdoc},
     volume = {12},
     number = {4},
     year = {1970},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1970_12_4_a1/}
}