MarynetzV. V. (1994) “On a mixed problem for systems of definite quasilinear partial differential equations with deviating argument”, Ukrains’kyi Matematychnyi Zhurnal, 46(11), pp. 1581–1585. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/5600 (Accessed: 24November2024).