@article{FPM_2013_18_4_a8,
     author = {S. P. Mishchenko and O. A. Bogdanchuk},
     title = {PI-exponents of some simple algebras with unit},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {121--128},
     publisher = {mathdoc},
     volume = {18},
     number = {4},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2013_18_4_a8/}
}