@article{bwmeta1.element.bwnjournal-article-fmv83i1p18bwm,
author = {D. Daykin and J. Dugdale},
title = {Triangle contractive self maps of a Hilbert space},
journal = {Fundamenta Mathematicae},
volume = {85},
year = {1974},
pages = {187-195},
zbl = {0276.47046},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv83i1p18bwm}
}
Daykin, D.; Dugdale, J. Triangle contractive self maps of a Hilbert space. Fundamenta Mathematicae, Tome 85 (1974) pp. 187-195. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv83i1p18bwm/