To the article “Assignment of the Abrasive-Jet Machining Mode of Si3N4-Ceramic Components Considering the Stress State of Various Surface-Layer Phases,” by V. V. Kuzin, M. Yu. Fedorov, and M. A. Volosova, Vol. 59, No. 4, pp. 420 – 424, November, 2018

The following Acknowledgement is to be added to page 423 after the Conclusion:

The work was financially supported by the Ministry of Education and Science of the RF under a State Task for Scientific Activity, Project No. 9.1372.2017/4.6.