TY - JOUR AU - A. I. Astrovskii TI - Schwarz forms for linear discrete observation system JO - Trudy Instituta matematiki PY - 2016 SP - 3 EP - 8 VL - 24 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMB_2016_24_1_a0/ LA - ru ID - TIMB_2016_24_1_a0 ER -