@article{MAN_1977__225_162921,
     author = {David Liebermann and Edoardo Sernesi},
     title = {Semicontinuity of {L-Dimension.}},
     journal = {Mathematische Annalen},
     pages = {77--88},
     publisher = {mathdoc},
     volume = {225},
     year = {1977},
     zbl = {0341.14003},
     url = {http://geodesic.mathdoc.fr/item/MAN_1977__225_162921/}
}