TY - JOUR AU - J. Kloch TI - The sufficient condition for linear constant time-lag systems to be normal systems JO - Annales Polonici Mathematici PY - 1976 SP - 187 EP - 205 VL - 32 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-32-2-187-205/ DO - 10.4064/ap-32-2-187-205 LA - en ID - 10_4064_ap_32_2_187_205 ER -