@article{CMUC_1989_30_2_a11,
     author = {So{\l}tysiak, Andrzej},
     title = {A note on the almost left and almost right joint spectra of {R.} {Harte}},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {317--320},
     year = {1989},
     volume = {30},
     number = {2},
     mrnumber = {1014130},
     zbl = {0704.46028},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1989_30_2_a11/}
}