@article{SF_1993__47_2_135269,
     author = {L.B. Shneperman},
     title = {On maximal compact subsemigroups of the endomorphism semigroup of an n-dimensional complex vector space.},
     journal = {Semigroup forum},
     pages = {196--208},
     publisher = {mathdoc},
     volume = {47},
     number = {2},
     year = {1993},
     zbl = {0790.20081},
     url = {http://geodesic.mathdoc.fr/item/SF_1993__47_2_135269/}
}