@article{PORMA_1941__2_1_114589,
     author = {Vicente Gon\c{c}alves, J.},
     title = {Quelques r\'esultats concernant les r\'egions simples},
     journal = {Portugaliae mathematica},
     pages = {247--270},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {1941},
     mrnumber = {0007104},
     zbl = {0026.27404},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1941__2_1_114589/}
}