@article{MZM_2015_97_2_a6,
     author = {A. V. Pechkurov},
     title = {An {Example} in the {Theory} of {Bisectorial} {Operators}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {249--254},
     publisher = {mathdoc},
     volume = {97},
     number = {2},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2015_97_2_a6/}
}