@article{CM_1992__83_3_251_0,
     author = {Bressan, Juan C. and Toranzos, Fausto A.},
     title = {Visibility cells and $T$-convexity spaces},
     journal = {Compositio Mathematica},
     pages = {251--257},
     publisher = {Kluwer Academic Publishers},
     volume = {83},
     number = {3},
     year = {1992},
     mrnumber = {1175940},
     zbl = {0756.52001},
     language = {en},
     url = {http://www.numdam.org/item/CM_1992__83_3_251_0/}
}