Mark Grigorievich Krein (to the centenary of his birth)

Adamyan, V. M., D. Z. Arov, Y. M. Berezansky, V. I. Gorbachuk, M. L. Gorbachuk, V. A. Mikhailets, and A. M. Samoilenko. “Mark Grigorievich Krein (to the Centenary of His Birth)”. Ukrains’kyi Matematychnyi Zhurnal, Vol. 59, no. 5, May 2007, pp. 579-87, https://umj.imath.kiev.ua/index.php/umj/article/view/3333.