%0 Journal Article %A S. V. Astashkin %A P. A. Terekhin %T On Quasibases and Bases of Symmetric Spaces Consisting of Nonnegative Functions %J Informatics and Automation %D 2022 %P 20-28 %V 319 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_2022_319_a1/ %G ru %F TRSPY_2022_319_a1