@article{10_4064_ap_36_1_49_53,
     author = {Marek S{\l}oci\'nski},
     title = {A {Szeg\"o} type property for two doubly commuting contractions},
     journal = {Annales Polonici Mathematici},
     pages = {49--53},
     publisher = {mathdoc},
     volume = {36},
     number = {1},
     year = {1979},
     doi = {10.4064/ap-36-1-49-53},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-36-1-49-53/}
}