HAKOBYAN, L. R. . A Method of Constructing and Using the Tree of Possible Transformations from UNL to the Natural Language. Mathematical Problems of Computer Science, [S. l.], v. 41, p. 131–134, 2021. Disponível em: http://mpcs.sci.am/index.php/mpcs/article/view/241. Acesso em: 3 may. 2024.