@article{10_4064_ap79_3_1,
     author = {George A. Anastassiou and Sorin G. Gal},
     title = {On global smoothness preservation
 in complex approximation},
     journal = {Annales Polonici Mathematici},
     pages = {199--205},
     publisher = {mathdoc},
     volume = {79},
     number = {3},
     year = {2002},
     doi = {10.4064/ap79-3-1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap79-3-1/}
}