@article{EMJ_2021_12_2_a4,
     author = {A. Khan and Z. Abbas and M. Qasim and M. Mursaleen},
     title = {Approximation by modified {Lupa\c{s}-Stancu} operators based on $(p, q)$-integers},
     journal = {Eurasian mathematical journal},
     pages = {39--51},
     publisher = {mathdoc},
     volume = {12},
     number = {2},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EMJ_2021_12_2_a4/}
}