@article{SM_2014_205_4_a1,
     author = {O. Guseva and A. V. Tsarev},
     title = {Rings whose $p$-ranks do not exceed~1},
     journal = {Sbornik. Mathematics},
     pages = {476--487},
     publisher = {mathdoc},
     volume = {205},
     number = {4},
     year = {2014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2014_205_4_a1/}
}