Error estimates for approximation of coupled best proximity points for cyclic contractive maps. - Atanas Ilchev; Boyan Zlatanov (Appl. Math. Comput., 2016)

Existence of Coupled Best Proximity Points of p-Cyclic Contractions. - Miroslav Hristov; Atanas Ilchev; Diana Nedelcheva; Boyan Zlatanov (Axioms, 2021)

Best Proximity Points for p-Cyclic Infimum Summing Contractions. - Miroslav Hristov; Atanas Ilchev; Petar Kopanov; Vasil Zhelinski; Boyan Zlatanov (Axioms, 2023)