Mitropolsky , Yu. A., V. A. Storozhenko, and M. E. Temchenko. 1988. “Aleksandr Yulievich Ishlinsky (on the 75th Anniversary of His Birth)”. Ukrains’kyi Matematychnyi Zhurnal 40 (4): 508-9. https://umj.imath.kiev.ua/index.php/umj/article/view/9187.