[1]
Demenіn A. N., “On one class of orthogonal multivariate polynomials”, Ukr. Mat. Zhurn., vol. 23, no. 3, pp. 381–387, Apr. 1971, Accessed: Feb. 17, 2026. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/8567