@article{05018731, title = {Bivariate operators of Schurer-Stancu type.}, journal = {Analele \c Stiin\c tifice ale Universit\u a\c tii ``Ovidius" Constan\c ta. Seria: Matematic\u a}, volume = {11}, year = {2003}, pages = {1-8}, zbl = {1084.41531}, language = {en}, url = {http://dml.mathdoc.fr/item/05018731} }
Barbosu, Dan. Bivariate operators of Schurer-Stancu type.. Analele Ştiinţifice ale Universităţii “Ovidius" Constanţa. Seria: Matematică, Tome 11 (2003) pp. 1-8. http://gdmltest.u-ga.fr/item/05018731/