Authors
A. E. Nicolescu
Doctoral School of Mathematics, Ovidius University of Constanta, Constanta, Romania
S. Vlase
Department of Mechanical Engineering, Transilvania University of Brasov, Brasov, Romania
© 2020 A. E. Nicolescu, S. Vlase, published by Ovidius University of Constanta
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.