WALENTYŃSKI, Ryszard.
 Refined least squares approach to the initial-value problems unstable in the Lyapunov sense1.
<strong>Computer Assisted Methods in Engineering and Science</strong>, [S.l.], v. 12, n. 1, p. 65-81, dec. 2022.
ISSN 2956-5839.
Available at: &lt;<a href="https://cames.ippt.gov.pl/index.php/cames/article/view/1007" target="_new">https://cames.ippt.gov.pl/index.php/cames/article/view/1007</a>&gt;. Date accessed: 21 nov. 2024.