R. Kirakosyan and S. Stepanyan, “THE NON-CLASSICAL PROBLEM OF AN ELASTICALLY CLAMPED ORTHOTROPIC BEAM OF VARIABLE THICKNESS UNDER THE COMBINED ACTION OF COMPRESSIVE FORCES AND TRANSVERSE LOAD”, Proc. YSU A: Phys. Math. Sci., vol. 52, no. 2 (246), pp. 101–108, Aug. 2018.