TY - JOUR AU - Kaczorek, Tadeusz TI - Positivity of fractional descriptor linear discrete-time systems JO - International Journal of Applied Mathematics and Computer Science PY - 2019 SP - 305 EP - 310 VL - 29 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IJAMCS_2019_29_2_a6/ LA - en ID - IJAMCS_2019_29_2_a6 ER -