@article{ASENS_1986_4_19_2_303_0,
     author = {Lannes, Jean and Zarati, Sa{\"\i}d},
     title = {Sur les ${\mathcal {U}}$-injectifs},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {303--333},
     publisher = {Elsevier},
     volume = {4e s{\'e}rie, 19},
     number = {2},
     year = {1986},
     doi = {10.24033/asens.1509},
     mrnumber = {89a:55032},
     zbl = {0608.18006},
     language = {fr},
     url = {http://archive.numdam.org/articles/10.24033/asens.1509/}
}