@article{MABA_2006_20_3-4_a7,
     author = {Dan Barbosu},
     title = {Simultaneous {Approximation} by {Bivariate} {Schurer-Stancu} {Type} {Operators}},
     journal = {Mathematica balkanica},
     pages = {351},
     publisher = {mathdoc},
     volume = {20},
     number = {3-4},
     year = {2006},
     url = {http://geodesic.mathdoc.fr/item/MABA_2006_20_3-4_a7/}
}