[1]
A. V. Belyaev, “Entire solutions of the euler—poisson equations”,
Ukr. Mat. Zhurn.
, vol. 56, no. 5, pp. 677–686, May 2004, Accessed: Apr. 09, 2025. [Online]. Available:
https://umj.imath.kiev.ua/index.php/umj/article/view/3787