BogdanskiiY. V. and StatkevychV. M. (2010) “Nonlinear equations with essentially infinite-dimensional differential operators”, Ukrains’kyi Matematychnyi Zhurnal, 62(11), pp. 1571–1576. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/2981 (Accessed: 25November2024).