MAGDAȘ A. Best proximity problems for Ćirić type multivalued operators satisfying a cyclic condition. Stud. Univ. Babeş-Bolyai Math. [Internet]. 2017 Sep. 30 [cited 2025 Feb. 5];62(3):395–405. Available from: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/1848