@article{AL_1973_12_3_a3,
     author = {A. A. Nikitin},
     title = {Supernilpotent radicals of $(-1,1)$-rings},
     journal = {Algebra i logika},
     pages = {305--311},
     publisher = {mathdoc},
     volume = {12},
     number = {3},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1973_12_3_a3/}
}