@article{VMUMM_1988_1_a2,
     author = {D. N. Ivanov},
     title = {Orthogonal decompositions of semisimple associative algebras},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {9--14},
     year = {1988},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1988_1_a2/}
}