Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1979_6_a12, author = {M. I. Khaikin}, title = {A singular case of matrix singular integral operators}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {77--80}, publisher = {mathdoc}, number = {6}, year = {1979}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1979_6_a12/} }
M. I. Khaikin. A singular case of matrix singular integral operators. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 6 (1979), pp. 77-80. http://geodesic.mathdoc.fr/item/IVM_1979_6_a12/