%0 Journal Article %A Yu. P. Petrova %T $L_2$-small ball asymptotics for a family of finite-dimensional perturbations of Gaussian functions %J Zapiski Nauchnykh Seminarov POMI %D 2021 %P 236-258 %V 501 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2021_501_a15/ %G ru %F ZNSL_2021_501_a15