@article{10_4153_CMB_1990_042_0,
     author = {Esterle, J.},
     title = {Sur la {Non} {Compatibilit\'e} de {l'Equivalence} de {Calkin} {Avec} le {Calcul} {Fonctionnel} de {Nagy-Foias}},
     journal = {Canadian mathematical bulletin},
     pages = {261--263},
     year = {1990},
     volume = {33},
     number = {3},
     doi = {10.4153/CMB-1990-042-0},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1990-042-0/}
}