@article{10_1007_s10587_011_0078_y,
     author = {Finta, Zolt\'an},
     title = {Approximation by $q${-Bernstein} type operators},
     journal = {Czechoslovak Mathematical Journal},
     pages = {329--336},
     publisher = {mathdoc},
     volume = {61},
     number = {2},
     year = {2011},
     doi = {10.1007/s10587-011-0078-y},
     mrnumber = {2905407},
     zbl = {1249.41033},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1007/s10587-011-0078-y/}
}