@article{MZM_2006_80_5_a14,
     author = {V. A. Koshcheev},
     title = {Vlasov--Wulbert connectedness of sets in {Hilbert} space},
     journal = {Matemati\v{c}eskie zametki},
     pages = {790--792},
     publisher = {mathdoc},
     volume = {80},
     number = {5},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2006_80_5_a14/}
}