@article{ZNSL_2001_276_a3,
     author = {I. N. Demshin and Yu. V. Dymchenko and V. A. Shlyk},
     title = {Null-sets criteria for weighed {Sobolev} spaces},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {52--82},
     year = {2001},
     volume = {276},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2001_276_a3/}
}