Kuz, A. M., & Ptashnik, B. I. (2015). A Problem with Condition Containing an Integral Term for a Parabolic-Hyperbolic Equation. Ukrains’kyi Matematychnyi Zhurnal, 67(5), 635-644. Retrieved from https://umj.imath.kiev.ua/index.php/umj/article/view/2011