@article{MS2_1980__47_166719,
     author = {Jens P. Nielsen},
     title = {Cohomology of some non-selfadjoint operator algebras.},
     journal = {Mathematica Scandinavica},
     pages = {150--156},
     publisher = {mathdoc},
     volume = {47},
     year = {1980},
     zbl = {0459.46046},
     url = {http://geodesic.mathdoc.fr/item/MS2_1980__47_166719/}
}