DUMANYAN, V.Zh. ON THE BOUNDEDNESS OF A CLASS OF THE FIRST ORDER LINEAR DIFFERENTIAL OPERATORS. Proceedings of the YSU A: Physical and Mathematical Sciences, Yerevan, Armenia, v. 45, n. 1 (224), p. 3–6, 2011. DOI: 10.46991/PYSU:A/2011.45.1.003. Disponível em: https://journals.ysu.am/index.php/proceedings-phys-math/article/view/vol45_no1_2011_pp003-006. Acesso em: 22 nov. 2024.