TULKIN RASULOV; MUBINA SHARIPOVA. TWO AND THREE PARTICLE BRANCHES OF THE ESSENTIAL SPECTRUM OF A 3×3 OPERATOR MATRICES. Spectrum Journal of Innovation, Reforms and Development, [S. l.], v. 8, p. 270–274, 2022. Disponível em: https://sjird.journalspark.org/index.php/sjird/article/view/299. Acesso em: 25 nov. 2024.