%0 Journal Article %A E. L. Korotyaev %A V. A. Sloushch %T Asymptotics and estimates for the discrete spectrum of the Schrödinger operator on a discrete periodic graph %J Algebra i analiz %D 2020 %P 12-39 %V 32 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_2020_32_1_a1/ %G ru %F AA_2020_32_1_a1