Kuz, A.M. and Ptashnik, B.I. (2015) “A Problem with Condition Containing an Integral Term for a Parabolic-Hyperbolic Equation”, Ukrains’kyi Matematychnyi Zhurnal, 67(5), pp. 635–644. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/2011 (Accessed: 5 December 2025).