2 citations to https://www.mathnet.ru/eng/dan45076

1. X. Zeng, X. Geng, “Quasiperiodic solutions of the discrete Chen–Lee–Liu hierarchy”, Theoret. and Math. Phys., 179:3 (2014), 649–678              
2. V. A. Kuprievich, “Variational study of stationary localized states of molecular chains in a discrete model”, Theoret. and Math. Phys., 64:2 (1985), 826–831