DALLAKYAN, G. V. ON APPROXIMATION OF THE SOLUTIONS OF BOUNDARY-VALUE PROBLEMS IN UNBOUNDED DOMAINS. Proceedings of the YSU A: Physical and Mathematical Sciences, Yerevan, Armenia, v. 34, n. 1 (192), p. 33–41, 2000. DOI: 10.46991/PYSUA.2000.34.1.033. Disponível em: https://journals.ysu.am/proceedings-phys-math/article/view/vol34_no1_2000_pp033-041. Acesso em: 23 may. 2026.