[1]
S. L. Gefter and A. L. Piven’, “Entire solutions of one linear implicit differential-difference equation in Banach spaces”, Ukr. Mat. Zhurn., vol. 70, no. 8, pp. 1044–1057, Aug. 2018, Accessed: Dec. 05, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/1616