TY - JOUR AU - Doležal, Václav TI - On general feedback systems containing delayers JO - Applications of Mathematics PY - 1968 SP - 489 EP - 507 VL - 13 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1968.103198/ DO - 10.21136/AM.1968.103198 LA - en ID - 10_21136_AM_1968_103198 ER -