RAYANKI, Vivekananda; 						KUMMARI, Krishna.
 Necessary and Sufficient Optimality Conditions for Fractional Interval-Valued Variational Problems.
<strong>Yugoslav Journal of Operations Research</strong>, [S.l.], v. 33, n. 2, p. 199-231, nov. 2022.
ISSN 2334-6043.
Available at: &lt;<a href="https://yujor.fon.bg.ac.rs/index.php/yujor/article/view/1027" target="_new">https://yujor.fon.bg.ac.rs/index.php/yujor/article/view/1027</a>&gt;. Date accessed: 28 dec. 2024.
doi: <a href="https://doi.org/10.2298/YJOR210815028R">https://doi.org/10.2298/YJOR210815028R</a>.