Pukalskyi, I.D. (2000) “Green function of a parabolic boundary-value problem and the optimization problem”, Ukrains’kyi Matematychnyi Zhurnal, 52(4), pp. 567–571. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/4448 (Accessed: 14 April 2025).