%0 Journal Article %A M. V. Balashov %T Lipschitz continuity of the metric projection operator and convergence of gradient methods %J Sbornik. Mathematics %D 2024 %P 494-510 %V 215 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2024_215_4_a2/ %G en %F SM_2024_215_4_a2