Chobanov, G. and Dimovski, I. (2001) “Extension of the Duhamel principle for the heat equation with Dezin’s initial condition”, Ann. Sofia Univ. Fac. Math. and Inf, 93, pp. 73–92. Available at: https://annual.uni-sofia.bg/index.php/fmi/article/view/205 (Accessed: 25 November 2024).