@article{10_4064_fm_83_3_187_195,
     author = {D. Daykin and J. Dugdale},
     title = {Triangle contractive self maps of a {Hilbert} space},
     journal = {Fundamenta Mathematicae},
     pages = {187--195},
     publisher = {mathdoc},
     volume = {83},
     number = {3},
     year = {1973},
     doi = {10.4064/fm-83-3-187-195},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-83-3-187-195/}
}