TY - JOUR AU - S. V. Astashkin AU - P. A. Terekhin TI - On Quasibases and Bases of Symmetric Spaces Consisting of Nonnegative Functions JO - Informatics and Automation PY - 2022 SP - 20 EP - 28 VL - 319 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_2022_319_a1/ LA - ru ID - TRSPY_2022_319_a1 ER -