Acknowledgements
Author is grateful to Profs. M. Gomes, J. R. Nascimento, A. J. da Silva, T. Mariz,
G. Olmo, A. F. Santos, E. Passos, P. Porfirio for fruitful collaboration and interesting discussions. The work has been partially supported by CNPq, project
301562/2019-9.
v
Author is grateful to Profs. M. Gomes, J. R. Nascimento, A. J. da Silva, T. Mariz,
G. Olmo, A. F. Santos, E. Passos, P. Porfirio for fruitful collaboration and interesting discussions. The work has been partially supported by CNPq, project
301562/2019-9.
v