@article{10_4153_CJM_1994_024_2,
     author = {Acquistapace, F. and Broglia, F. and Fortuna, E.},
     title = {When is a {Distribution} of {Signs} {Locally} {Completable?}},
     journal = {Canadian journal of mathematics},
     pages = {449--473},
     year = {1994},
     volume = {46},
     number = {3},
     doi = {10.4153/CJM-1994-024-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1994-024-2/}
}