@article{DIA_1990__23__43_0,
     author = {Curien, P.-L.},
     title = {Substitution up to isomorphism},
     journal = {Diagrammes},
     pages = {43--66},
     publisher = {Universit\'e Paris 7, Unit\'e d'enseignement et de recherche de math\'ematiques},
     volume = {23},
     year = {1990},
     mrnumber = {1082997},
     zbl = {0715.03029},
     language = {en},
     url = {http://www.numdam.org/item/DIA_1990__23__43_0/}
}