TY - JOUR AU - Soukup, Václav TI - Linear nonstationary system with discrete-time input JO - Kybernetika PY - 1973 SP - EP - 41 VL - 09 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KYB_1973__9_1_a2/ LA - en ID - KYB_1973__9_1_a2 ER -