YOUSEFI, Esmail. A MIXED PROBLEM FOR THE FOURTH ORDER DEGENERATE ORDINARY DIFFERENTIAL EQUATION. Proceedings of the YSU A: Physical and Mathematical Sciences, Yerevan, Armenia, v. 44, n. 2 (222), p. 16–19, 2010. DOI: 10.46991/PYSU:A/2010.44.2.016. Disponível em: https://journals.ysu.am/index.php/proceedings-phys-math/article/view/vol44_no2_2010_pp016-019. Acesso em: 3 jul. 2024.