@article{CMJ_2008_58_4_a23,
     author = {Ostrovska, Sofiya},
     title = {The sharpness of convergence results for $q${-Bernstein} polynomials in the case $q>1$},
     journal = {Czechoslovak Mathematical Journal},
     pages = {1195--1206},
     year = {2008},
     volume = {58},
     number = {4},
     mrnumber = {2471176},
     zbl = {1174.41010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2008_58_4_a23/}
}