@article{05696754,
title = {Order of approximation of functions of two variables by new type gamma operators.},
journal = {General Mathematics},
volume = {17},
year = {2009},
pages = {23-32},
zbl = {1199.41079},
language = {en},
url = {http://dml.mathdoc.fr/item/05696754}
}
Izgi, Aydin. Order of approximation of functions of two variables by new type gamma operators.. General Mathematics, Tome 17 (2009) pp. 23-32. http://gdmltest.u-ga.fr/item/05696754/