About buckling calculus of straight bars on elastic environment by Transfer-Matrix Method (TMM) for dental implantsMihai Tripa, Geamilia Şolea, Dorina Sorcoi, Iulia Florescu, Adriana Sorcoi, Daniela Păunescu, Nicolae Bâlc and Mihaela SuciuMATEC Web Conf., 178 (2018) 04007DOI: https://doi.org/10.1051/matecconf/201817804007