@article{SMJ2_2004_30_1_a2,
     author = {Finta, Zolt\'an},
     title = {Direct and {Converse} {Theorems} for {Generalized} {Bernstein-Type} {Operators}},
     journal = {Serdica Mathematical Journal},
     pages = {33--42},
     publisher = {mathdoc},
     volume = {30},
     number = {1},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SMJ2_2004_30_1_a2/}
}