@article{FPM_2012_17_7_a6,
     author = {A. L. Kanunnikov},
     title = {Orthogonal graded completion of graded semiprime rings},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {117--150},
     year = {2012},
     volume = {17},
     number = {7},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2012_17_7_a6/}
}