@article{ZNSL_2001_279_a4,
     author = {A. V. Zhubr},
     title = {On a paper by {Barden}},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {70--88},
     year = {2001},
     volume = {279},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2001_279_a4/}
}