PRASAD, Ashish Kumar; 						SINGH, Anant Pratap; 						KHATRI, Sony.
Duality for a class of second order symmetric nondifferentiable fractional variational problems.
<strong>Yugoslav Journal of Operations Research</strong>, [S.l.], v. 30, n. 2, p. 121-136, feb. 2020.
ISSN 2334-6043.
Available at: &lt;<a href="http://yujor.fon.bg.ac.rs/index.php/yujor/article/view/740" target="_new">http://yujor.fon.bg.ac.rs/index.php/yujor/article/view/740</a>&gt;. Date accessed: 04 may 2024.