AdamyanV. M., ArovD. Z., BerezanskyY. M., GorbachukV. I., GorbachukM. L., MikhailetsV. A. and SamoilenkoA. M. (2007) “Mark Grigorievich Krein (to the centenary of his birth)”, Ukrains’kyi Matematychnyi Zhurnal, 59(5), pp. 579-587. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/3333 (Accessed: 27July2024).