@article{AA_2020_32_1_a1,
     author = {E. L. Korotyaev and V. A. Sloushch},
     title = {Asymptotics and estimates for the discrete spectrum of the {Schr\"odinger} operator on a discrete periodic graph},
     journal = {Algebra i analiz},
     pages = {12--39},
     publisher = {mathdoc},
     volume = {32},
     number = {1},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2020_32_1_a1/}
}