@article{CMUC_1996__37_1_a12,
     author = {Bure\v{s}, Jarol{\'\i}m},
     title = {Special invariant operators {I}},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {179--198},
     publisher = {mathdoc},
     volume = {37},
     number = {1},
     year = {1996},
     mrnumber = {1396170},
     zbl = {0851.58049},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1996__37_1_a12/}
}