@article{JFAA_1998__4_2_59575,
     author = {Michael Cwikel and Evgeniy Pustylnik},
     title = {Sobolev {Type} {Embeddings} in the {Limiting} {Case.}},
     journal = {The journal of Fourier analysis and applications},
     pages = {433--446},
     year = {1998},
     volume = {4},
     number = {2},
     zbl = {0930.46027},
     url = {http://geodesic.mathdoc.fr/item/JFAA_1998__4_2_59575/}
}