%0 Journal Article %A V. E. Nazaikinskii %T On an elliptic operator degenerating on the boundary %J Funkcionalʹnyj analiz i ego priloženiâ %D 2022 %P 109-112 %V 56 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_2022_56_4_a9/ %G ru %F FAA_2022_56_4_a9