Kuz, A. M. and Ptashnik, B. I. (2013) “A problem with integral conditions with respect to time for Garding hyperbolic equations”, Ukrains’kyi Matematychnyi Zhurnal, 65(2), pp. 252-265. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/2416 (Accessed: 9February2023).