TY - JOUR AU - N. Ph. Alexiadis TI - Closed classes in the functional system of polynomials with real coefficients JO - Čebyševskij sbornik PY - 2023 SP - 5 EP - 14 VL - 24 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CHEB_2023_24_1_a0/ LA - ru ID - CHEB_2023_24_1_a0 ER -