@article{RO_2021__55_3_1909_0,
     author = {Debnath, Indira P. and Pokharna, Nisha},
     title = {On optimality and duality in interval-valued variational problem with $B (p , r)$-invexity },
     journal = {RAIRO. Operations Research},
     pages = {1909--1932},
     year = {2021},
     publisher = {EDP-Sciences},
     volume = {55},
     number = {3},
     doi = {10.1051/ro/2021088},
     mrnumber = {4277919},
     zbl = {1475.90101},
     language = {en},
     url = {https://www.numdam.org/articles/10.1051/ro/2021088/}
}