TY - JOUR AU - Dencker, Nils TI - Preparation theorems for matrix valued functions JO - Annales de l'Institut Fourier PY - 1993 SP - 865 EP - 892 VL - 43 IS - 3 PB - Institut Fourier PP - Grenoble UR - https://aif.centre-mersenne.org/articles/10.5802/aif.1359/ DO - 10.5802/aif.1359 LA - en ID - AIF_1993__43_3_865_0 ER -