@article{ZNSL_1991_190_a0,
     author = {A. V. Bukhvalov},
     title = {Sobolev spaces of vector-valued functions},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {5--14},
     year = {1991},
     volume = {190},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1991_190_a0/}
}