@article{10_4064_ap_34_1_97_105,
     author = {Wac{\l}aw Szyma\'nski},
     title = {Szego\"o-type properties in a non-commutative case},
     journal = {Annales Polonici Mathematici},
     pages = {97--105},
     year = {1977},
     volume = {34},
     number = {1},
     doi = {10.4064/ap-34-1-97-105},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-34-1-97-105/}
}