Danilov, V. Y., Lavrova, O. E., & Stanzhitskii, A. N. (2017). Viscous solutions for the Hamilton – Jacobi – Bellman equation on time scales. Ukrains’kyi Matematychnyi Zhurnal, 69(7), 933-950. Retrieved from https://umj.imath.kiev.ua/index.php/umj/article/view/1747