@article{1102995082,
author = {Brown, James R.},
title = {Approximation theorems for Markov operators.},
journal = {Pacific J. Math.},
volume = {19},
number = {3},
year = {1966},
pages = { 13-23},
language = {en},
url = {http://dml.mathdoc.fr/item/1102995082}
}
Brown, James R. Approximation theorems for Markov operators.. Pacific J. Math., Tome 19 (1966) no. 3, pp. 13-23. http://gdmltest.u-ga.fr/item/1102995082/