@article{10_4064_sm195_3_1,
     author = {David Sherman},
     title = {Notes on automorphisms of ultrapowers of {II}$_1$ factors},
     journal = {Studia Mathematica},
     pages = {201--217},
     publisher = {mathdoc},
     volume = {195},
     number = {3},
     year = {2009},
     doi = {10.4064/sm195-3-1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm195-3-1/}
}