OHNIMUS, Stephan; 						RÜTER, Marcus; 						STEIN, Erwin.
 General aspects of Trefftz method and relations to error estimation of finite element approximations.
<strong>Computer Assisted Methods in Engineering and Science</strong>, [S.l.], v. 8, n. 2-3, p. 425-437, mar. 2023.
ISSN 2956-5839.
Available at: &lt;<a href="https://cames.ippt.pan.pl/index.php/cames/article/view/1180" target="_new">https://cames.ippt.pan.pl/index.php/cames/article/view/1180</a>&gt;. Date accessed: 22 july 2024.