Bäcklund Transformations for Nonlinear Differential Equations and Systems. - Tatyana V. Redkina; Robert G. Zakinyan; Arthur R. Zakinyan; Olesya B. Surneva; Olga S. Yanovskaya (Axioms, 2019)

Bäcklund Transformations for Liouville Equations with Exponential Nonlinearity. - Tatyana V. Redkina; Robert G. Zakinyan; Arthur R. Zakinyan; Olga V. Novikova (Axioms, 2021)

Hierarchies of the Korteweg-de Vries Equation Related to Complex Expansion and Perturbation. - Tatyana V. Redkina; Arthur R. Zakinyan; Robert G. Zakinyan; Olesya B. Surneva (Axioms, 2023)

The Zakharov-Shabat Spectral Problem for Complexification and Perturbation of the Korteweg-de Vries Equation. - Tatyana V. Redkina; Arthur R. Zakinyan; Robert G. Zakinyan (Axioms, 2023)