@article{PORMA_1998__55_3_48139,
     author = {Bordalo, G.H. and Rodrigues, E.},
     title = {Complements in modular and semimodular lattices.},
     journal = {Portugaliae mathematica},
     pages = {373--380},
     publisher = {mathdoc},
     volume = {55},
     number = {3},
     year = {1998},
     zbl = {0913.06006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1998__55_3_48139/}
}