@article{10_4153_CJM_1966_042_8,
     author = {Voichick, Michael},
     title = {Invariant {Subspaces} on {Riemann} {Surfaces}},
     journal = {Canadian journal of mathematics},
     pages = {399--403},
     year = {1966},
     volume = {18},
     number = {1},
     doi = {10.4153/CJM-1966-042-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1966-042-8/}
}