TY - JOUR AU - Volker Mehrmann AU - Peter Kunke TI - Smooth factorizations of matrix valued functions and their derivatives. JO - Numerische Mathematik PY - 1991 SP - 115 EP - 132 VL - 60 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1991__60_4_133587/ ID - NUMA_1991__60_4_133587 ER -