BlackmoreD., PrykarpatskyA. K., PrykarpatskyY. A. and SamoilenkoA. M. (2018) “Theory of multidimensional Delsarte – Lions transmutation operators. I”, Ukrains’kyi Matematychnyi Zhurnal, 70(12), pp. 1660-1695. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/1667 (Accessed: 21November2024).