Investigation fracture of an orthotropic plate with a circular hole and two edge cracks by the method of dynamic elasticity - M. P. Malezhyk; M. I. Pidhurskyi; Yu. A. Rudiak; N. O. Fedchyshyn; I. M. Pidhurskyi; L. V. Voitovych (Materials Science (Physicochemical mechanics of materials), 2019)