@article{CMH_1990__65_3_140194,
     author = {H. Rosenberg and William H. Meeks III},
     title = {The maximum principle at infinity for minimal surfaces in flat three manifolds.},
     journal = {Commentarii mathematici Helvetici},
     pages = {255--270},
     publisher = {mathdoc},
     volume = {65},
     number = {3},
     year = {1990},
     zbl = {0713.53008},
     url = {http://geodesic.mathdoc.fr/item/CMH_1990__65_3_140194/}
}