Ioan Gavrea, Mircea Ivan. An extremal property for a class of positive linear operators. Journal of Approximation Theory, 162(1):6-9, 2010. [doi]
@article{GavreaI10-0,
title = {An extremal property for a class of positive linear operators},
author = {Ioan Gavrea and Mircea Ivan},
year = {2010},
doi = {10.1016/j.jat.2009.02.006},
url = {http://dx.doi.org/10.1016/j.jat.2009.02.006},
researchr = {https://researchr.org/publication/GavreaI10-0},
cites = {0},
citedby = {0},
journal = {Journal of Approximation Theory},
volume = {162},
number = {1},
pages = {6-9},
}