ABBASOVA, Yu. G.; KURBANOV, V. M. Convergence of the spectral decomposition of a function from the class $W_{p,m}^1 (G),\; p > 1$, in the vector eigenfunctions of a differential operator of the third order. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 69, n. 6, p. 719–733, 2017. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1731. Acesso em: 5 dec. 2025.