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@article{MZ_1989__201_4_174039, author = {Mats Andersson}, title = {The {Corona} {Theorem} for {Matrices.}}, journal = {Mathematische Zeitschrift}, pages = {121--130}, publisher = {mathdoc}, volume = {201}, number = {4}, year = {1989}, zbl = {0648.30039}, url = {http://geodesic.mathdoc.fr/item/MZ_1989__201_4_174039/} }
Mats Andersson. The Corona Theorem for Matrices.. Mathematische Zeitschrift, Tome 201 (1989) no. 4, pp. 121-130. http://geodesic.mathdoc.fr/item/MZ_1989__201_4_174039/