%0 Journal Article %A K. N. Zhuikov %A A. Yu. Savin %T Eta-invariant of elliptic parameter-dependent boundary-value problems %J Contemporary Mathematics. Fundamental Directions %D 2023 %P 599-620 %V 69 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMFD_2023_69_4_a3/ %G ru %F CMFD_2023_69_4_a3