%0 Journal Article %A A. R. Yakubova %T On spectral and evolutional problems generated by a sesquilinear form %J Contemporary Mathematics. Fundamental Directions %D 2020 %P 335-371 %V 66 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMFD_2020_66_2_a8/ %G ru %F CMFD_2020_66_2_a8