HOSSEINY MATIKOLAI, S.A. ON THE ANISOTROPIC BOUNDARY VALUE PROBLEM, CONNECTED WITH HELMHOLTZE-SCHRÖDINGER ЕQUATION, UNDER THE BOUNDARY CONDITIONS OF THE FIRST AND SECOND TYPE. Proceedings of the YSU A: Physical and Mathematical Sciences, Yerevan, Armenia, v. 45, n. 1 (224), p. 7–11, 2011. DOI: 10.46991/PYSU:A/2011.45.1.007. Disponível em: https://pub.ysu.am/index.php/proceedings-phys-math/article/view/vol45_no1_2011_pp007-011. Acesso em: 22 nov. 2024.