@article{1077490334,
author = {Ward, Morgan},
title = {Residuation in structures over which a multiplication is defined},
journal = {Duke Math. J.},
volume = {3},
number = {1},
year = {1937},
pages = { 627-636},
language = {en},
url = {http://dml.mathdoc.fr/item/1077490334}
}
Ward, Morgan. Residuation in structures over which a multiplication is defined. Duke Math. J., Tome 3 (1937) no. 1, pp. 627-636. http://gdmltest.u-ga.fr/item/1077490334/