%0 Journal Article %A O. L. Vinogradov %A A. Yu. Ulitskaya %T Optimal subspaces for mean square approximation of classes of differentiable functions on the half-line %J Zapiski Nauchnykh Seminarov POMI %D 2024 %P 44-65 %V 539 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2024_539_a2/ %G ru %F ZNSL_2024_539_a2