@article{1103044384,
author = {Richardson, Moses},
title = {Relativization and extension of solutions of irreflexive relations.},
journal = {Pacific J. Math.},
volume = {5},
number = {4},
year = {1955},
pages = { 551-584},
language = {en},
url = {http://dml.mathdoc.fr/item/1103044384}
}
Richardson, Moses. Relativization and extension of solutions of irreflexive relations.. Pacific J. Math., Tome 5 (1955) no. 4, pp. 551-584. http://gdmltest.u-ga.fr/item/1103044384/