%0 Journal Article %A V. S. Rabinovich %T Essential Spectrum of Schr\"odinger Operators on Periodic Graphs %J Funkcionalʹnyj analiz i ego priloženiâ %D 2018 %P 80-84 %V 52 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_2018_52_1_a9/ %G ru %F FAA_2018_52_1_a9