ValeyevK. G. and DzhalladovaI. A. (1997) “On one generalization of the averaging method”, Ukrains’kyi Matematychnyi Zhurnal, 49(7), pp. 906–911. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/5080 (Accessed: 27July2024).