« On the use of approximate numerical and analytical methods in order to solve the differential equations that describe vibrations of the mechanical systems », ANN_UDJG_IM, vol. 19, nᵒ 2, p. 71–76, nov. 2012, Consulté le: nov. 02, 2026. Disponible sur: https://ojs.ugal.ro/index.php/im/article/view/3735