N.Duskaraev, Sh.R.Akhmedov, T.O.Juraev, and U.X.Umedova. “Dynamic Stresses Near the Working Surface from A Plane Wave”. Eurasian Scientific Herald, vol. 7, Apr. 2022, pp. 125-32, https://geniusjournals.org/index.php/esh/article/view/1082.