Volume 34, Issue 7, July 2021, Pages 1804-1809
N. K. Linh; V. V. Gabov; Y. V. Lykov; R. Y. Urazbakhtin
Volume 32, Issue 5, May 2019, Pages 790-793
V. G. Gorelikov; Y. V. Lykov; L. K. Gorshkov; A. M. Uspechov