BondarenkoV. G. (2003) “Perturbed Parabolic Equation on a Riemannian Manifold”, Ukrains’kyi Matematychnyi Zhurnal, 55(7), pp. 977-982. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/3972 (Accessed: 27July2024).