@article{BAG_1988__27_138407,
     author = {M. Stern},
     title = {On strong semimodular lattices {III}},
     journal = {Beitr\"age zur Algebra und Geometrie},
     pages = {37--48},
     publisher = {mathdoc},
     volume = {27},
     year = {1988},
     zbl = {0669.06008},
     url = {http://geodesic.mathdoc.fr/item/BAG_1988__27_138407/}
}