@article{10_4064_sm_61_1_55_62,
     author = {Yu. Abramov},
     title = {On the geometric properties of the joint spectrum of a family of self-adjoint operators},
     journal = {Studia Mathematica},
     pages = {55--62},
     publisher = {mathdoc},
     volume = {61},
     number = {1},
     year = {1977},
     doi = {10.4064/sm-61-1-55-62},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-61-1-55-62/}
}