@article{AA_2005_17_5_a3,
     author = {A. V. Demyanov and A. I. Nazarov},
     title = {On the existence of an extremal function in {Sobolev} embedding theorems with limit exponent},
     journal = {Algebra i analiz},
     pages = {105--140},
     publisher = {mathdoc},
     volume = {17},
     number = {5},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2005_17_5_a3/}
}