%0 Journal Article %A A. Khan %A Z. Abbas %A M. Qasim %A M. Mursaleen %T Approximation by modified Lupa\c{s}-Stancu operators based on $(p, q)$-integers %J Eurasian mathematical journal %D 2021 %P 39-51 %V 12 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/EMJ_2021_12_2_a4/ %G en %F EMJ_2021_12_2_a4