[1]
Matіуchuk M. I. and S. D. Edelman, “On fundamental solutions of elliptical systems”, Ukr. Mat. Zhurn., vol. 18, no. 2, pp. 22–41, Mar. 1966, Accessed: Apr. 16, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/8714