@article{ZNSL_1997_247_a9,
     author = {O. G. Parfenov},
     title = {Nuclearity of imbedding operators of {Sobolev} classes into weighted spaces},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {156--165},
     publisher = {mathdoc},
     volume = {247},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1997_247_a9/}
}