Cheremnikh, Evheniy Vasylevych. “A Remark about Calculation of the Jump of the Resolvent in Friedrichs’ Model”. Eastern-European Journal of Enterprise Technologies 1, no. 4(55) (February 1, 2012): 37–40. Accessed November 23, 2024. https://journals.uran.ua/eejet/article/view/3317.