UŚCIŁOWSKA, Anita.
 Application of the Trefftz method to nonlinear potential problems.
<strong>Computer Assisted Methods in Engineering and Science</strong>, [S.l.], v. 15, n. 3-4, p. 377-390, july 2022.
ISSN 2956-5839.
Available at: &lt;<a href="https://cames.ippt.gov.pl/index.php/cames/article/view/747" target="_new">https://cames.ippt.gov.pl/index.php/cames/article/view/747</a>&gt;. Date accessed: 23 dec. 2024.