@phdthesis{BJHTUP11_1971__0003__P0_0,
     author = {Dax, Jean-Pierre},
     title = {Etude homotopique des espaces de plongements},
     series = {Th\`eses d'Orsay},
     publisher = {Universit\'e de Paris-Sud Centre d'Orsay},
     number = {3},
     year = {1971},
     language = {fr},
     url = {http://www.numdam.org/item/BJHTUP11_1971__0003__P0_0/}
}