@article{PM_1993_1993_1_a18,
     author = {Peetre, Jaak},
     title = {La conexi\'on {Bellaterra.}},
     journal = {Publicacions matem\`atiques},
     pages = {165-176},
     year = {1993},
     volume = {37},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PM_1993_1993_1_a18/}
}