@article{PMIHES_1961__8__5_0,
     author = {Alexander Grothendieck},
     title = {\'El\'ements de g\'eom\'etrie alg\'ebrique : {II.} {\'Etude} globale \'el\'ementaire de quelques classes de morphismes},
     journal = {Publications Math\'ematiques de l'IH\'ES},
     pages = {5--222},
     year = {1961},
     publisher = {Institut des Hautes \'Etudes Scientifiques},
     volume = {8},
     doi = {10.1007/BF02699291},
     zbl = {0118.36206},
     language = {fr},
     url = {https://pmihes.centre-mersenne.org/articles/10.1007/BF02699291/}
}