RACK H-J. The first Zolotarev case in the Erdös-Szegö solution to a Markov-type extremal problem of Schur. Stud. Univ. Babeş-Bolyai Math. [Internet]. 2017 Jun. 15 [cited 2025 Feb. 5];62(2):151-62. Available from: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/1770