@article{GDZPPN001254464, title = {Biordered sets and complemented modular lattices.}, journal = {Semigroup forum}, volume = {20}, year = {1980}, pages = {205-220}, zbl = {0449.20067}, url = {http://dml.mathdoc.fr/item/GDZPPN001254464} }
Pastijn, F. Biordered sets and complemented modular lattices.. Semigroup forum, Tome 20 (1980) pp. 205-220. http://gdmltest.u-ga.fr/item/GDZPPN001254464/