REUTSKIY, Sergiy; 						TIROZZI, Brunello.
 Trefftz spectral method for elliptic equations of general type.
<strong>Computer Assisted Methods in Engineering and Science</strong>, [S.l.], v. 8, n. 4, p. 629-644, mar. 2023.
ISSN 2956-5839.
Available at: &lt;<a href="https://cames.ippt.pan.pl/index.php/cames/article/view/1164" target="_new">https://cames.ippt.pan.pl/index.php/cames/article/view/1164</a>&gt;. Date accessed: 22 july 2024.