Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1990_2_a7, author = {V. A. Kakichev}, title = {Matrix convolution of power series}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {53--62}, publisher = {mathdoc}, number = {2}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1990_2_a7/} }
V. A. Kakichev. Matrix convolution of power series. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 2 (1990), pp. 53-62. http://geodesic.mathdoc.fr/item/IVM_1990_2_a7/