@article{IVM_2003_8_a1,
     author = {E. V. Vladova and M. S. Matveichuk},
     title = {On plus operators from von {Neumann} algebras},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {7--18},
     publisher = {mathdoc},
     number = {8},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2003_8_a1/}
}