@article{MASLO_1983__33_1_a11,
     author = {Zajac, Michal},
     title = {Hyperinvariant subspace lattice of weak contractions},
     journal = {Mathematica slovaca},
     pages = {75--80},
     publisher = {mathdoc},
     volume = {33},
     number = {1},
     year = {1983},
     mrnumber = {689281},
     zbl = {0509.47005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1983__33_1_a11/}
}