%0 Journal Article
%A Debnath, Indira P.
%A Pokharna, Nisha
%T On optimality and duality in interval-valued variational problem with $B (p , r)$-invexity 
%J RAIRO. Operations Research
%D 2021
%P 1909-1932
%V 55
%N 3
%I EDP-Sciences
%U https://www.numdam.org/articles/10.1051/ro/2021088/
%R 10.1051/ro/2021088
%G en
%F RO_2021__55_3_1909_0