H. M. Perun, “Problem with pulse action for a linear stochastic parabolic equation of higher order”, Ukr. Mat. Zhurn., vol. 60, no. 10, pp. 1422–1426, Oct. 2008, Accessed: Feb. 17, 2026. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/3256