@article{GDZPPN00255027X, title = {\"Uber Morphismen halbmodularer Verb\"ande.}, journal = {Aequationes mathematicae}, volume = {20}, year = {1980}, pages = {53-67}, zbl = {0443.06009}, url = {http://dml.mathdoc.fr/item/GDZPPN00255027X} }
Faigle, Ulrich. Über Morphismen halbmodularer Verbände.. Aequationes mathematicae, Tome 20 (1980) pp. 53-67. http://gdmltest.u-ga.fr/item/GDZPPN00255027X/