@article{IVM_1990_3_a9,
     author = {S. V. Dorofeev},
     title = {A~problem of the boundedness of a~signed measure defined on the projectors of a~von {Neumann} algebra of {type~I}},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {67--69},
     publisher = {mathdoc},
     number = {3},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1990_3_a9/}
}