@article{RM_1994_49_1_a12,
     author = {D. N. Ivanov},
     title = {An analogue of a theorem of {Wagner} for orthogonal decompositions of the matrix algebra
},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {237--238},
     publisher = {mathdoc},
     volume = {49},
     number = {1},
     year = {1994},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1994_49_1_a12/}
}