@article{AIF_1993__43_3_865_0, author = {Dencker, Nils}, title = {Preparation theorems for matrix valued functions}, journal = {Annales de l'Institut Fourier}, pages = {865--892}, publisher = {Institut Fourier}, address = {Grenoble}, volume = {43}, number = {3}, year = {1993}, doi = {10.5802/aif.1359}, zbl = {0783.58010}, mrnumber = {95f:32009}, language = {en}, url = {https://aif.centre-mersenne.org/articles/10.5802/aif.1359/} }