TY  - JOUR
AU  - Vivekananda Rayanki
AU  - Krishna Kummari
TI  - Necessary and sufficient optimality conditions for fractional interval-valued variational problems
JO  - Yugoslav journal of operations research
PY  - 2023
SP  - 199 
VL  - 33
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/YJOR_2023_33_2_a1/
LA  - en
ID  - YJOR_2023_33_2_a1
ER  -