@article{ZNSL_1976_65_a15,
     author = {A. K. Kitover},
     title = {On operators spectra on ideal spaces},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {196--198},
     year = {1976},
     volume = {65},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1976_65_a15/}
}