GerasimenkoV. I. and MalyshevP. V. (2004) “Creative Contribution of D. Ya. Petrina to the Development of Contemporary Mathematical Physics”, Ukrains’kyi Matematychnyi Zhurnal, 56(3), pp. 293-308. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/3755 (Accessed: 27July2024).