Homoclinic solutions for a class of nonlinear fourth order p-Laplacian differential equations. - Nikolay D. Dimitrov; Stepan A. Tersian (Appl. Math. Lett., 2019)

Non-Trivial Solutions of Non-Autonomous Nabla Fractional Difference Boundary Value Problems. - Alberto Cabada; Nikolay D. Dimitrov; Jagan Mohan Jonnalagadda (Symmetry, 2021)