Horozov, Emil. “AUTOMORPHISMS OF ALGEBRAS AND BOCHNER‘S PROPERTY FOR DISCRETE VECTOR ORTHOGONAL POLYNOMIALS”. Ann. Sofia Univ. Fac. Math. and Inf. 104 (December 12, 2017): 23–38. Accessed November 22, 2024. https://annual.uni-sofia.bg/index.php/fmi/article/view/35.