@article{1077475898, author = {Parker, W. V.}, title = {The matrix equation $AX=XB$}, journal = {Duke Math. J.}, volume = {17}, number = {1}, year = {1950}, pages = { 43-51}, language = {en}, url = {http://dml.mathdoc.fr/item/1077475898} }
Parker, W. V. The matrix equation $AX=XB$. Duke Math. J., Tome 17 (1950) no. 1, pp. 43-51. http://gdmltest.u-ga.fr/item/1077475898/