@article{SE_1957-1958__1__A1_0,
     author = {Papert, Dona and Papert, Seymour},
     title = {Sur les treillis des ouverts et les paratopologies},
     journal = {S\'eminaire de topologie et g\'eom\'etrie diff\'erentielle},
     note = {talk:1},
     pages = {1--9},
     publisher = {Secr\'etariat math\'ematique},
     volume = {1},
     year = {1957-1958},
     zbl = {0134.40703},
     language = {fr},
     url = {http://www.numdam.org/item/SE_1957-1958__1__A1_0/}
}