@article{10_4064_sm_22_2_211_219,
     author = {I. Halperin},
     title = {Intrinsic description of the {Sz.-Nagy-Brehmer} unitary dilation},
     journal = {Studia Mathematica},
     pages = {211--219},
     publisher = {mathdoc},
     volume = {22},
     number = {2},
     year = {1962},
     doi = {10.4064/sm-22-2-211-219},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-22-2-211-219/}
}