@article{1102978246,
author = {Chacon, R. V. and McGrath, S. A.},
title = {Estimates of positive contractions.},
journal = {Pacific J. Math.},
volume = {31},
number = {3},
year = {1969},
pages = { 609-620},
language = {en},
url = {http://dml.mathdoc.fr/item/1102978246}
}
Chacon, R. V.; McGrath, S. A. Estimates of positive contractions.. Pacific J. Math., Tome 31 (1969) no. 3, pp. 609-620. http://gdmltest.u-ga.fr/item/1102978246/