@article{10_4064_sm161_2_6,
     author = {O. Duman and C. Orhan},
     title = {Statistical approximation by positive linear operators},
     journal = {Studia Mathematica},
     pages = {187--197},
     publisher = {mathdoc},
     volume = {161},
     number = {2},
     year = {2004},
     doi = {10.4064/sm161-2-6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm161-2-6/}
}