@article{PIM_1992_N_S_52_66_a11,
     author = {Vijay Gupta and P.N. Agrawal},
     title = {Lp-approximation by {Iterative} {Combination} of {Phillips} {Operators}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {67 },
     publisher = {mathdoc},
     volume = {_N_S_52},
     number = {66},
     year = {1992},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PIM_1992_N_S_52_66_a11/}
}