TUMANYAN, A.G. ON NOETHERICITY AND INDEX OF DIFFERENTIAL OPERATORS IN ANISOTROPIC WEIGHTED SOBOLEV SPACES. Proceedings of the YSU A: Physical and Mathematical Sciences, Yerevan, Armenia, v. 50, n. 3 (241), p. 63–69, 2016. DOI: 10.46991/PYSU:A/2016.50.3.063. Disponível em: https://journals.ysu.am/index.php/proceedings-phys-math/article/view/vol50_no3_2016_pp063-069. Acesso em: 23 jul. 2024.