@article{MZM_1989_45_4_a8,
     author = {V. G. Maz'ya and S. V. Poborchi},
     title = {Traces of the functions of {S.\,L.~Sobolev} spaces on small and large components of a boundary},
     journal = {Matemati\v{c}eskie zametki},
     pages = {69--77},
     publisher = {mathdoc},
     volume = {45},
     number = {4},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1989_45_4_a8/}
}