TY - JOUR AU - Frantisek Neumann TI - A vector functional equation and linear differential equations. JO - Aequationes mathematicae PY - 1985 SP - 19 EP - 23 VL - 29 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AM2_1985__29_137076/ ID - AM2_1985__29_137076 ER -