%0 Journal Article %A A. G. Chechkina %T Operator estimates for the Steklov problem in an unbounded domain with rapidly changing conditions on the boundary %J Doklady Rossijskoj akademii nauk. Matematika, informatika, processy upravleniâ %D 2021 %P 54-57 %V 499 %I mathdoc %U http://geodesic.mathdoc.fr/item/DANMA_2021_499_a11/ %G ru %F DANMA_2021_499_a11