@article{BUMI_1999_8_2B_3_a7,
     author = {Krbec, Miroslav and Schott, Thomas},
     title = {Superposition of imbeddings and {Fefferman's} inequality},
     journal = {Bollettino della Unione matematica italiana},
     pages = {629--637},
     publisher = {mathdoc},
     volume = {Ser. 8, 2B},
     number = {3},
     year = {1999},
     zbl = {0948.46023},
     mrnumber = {576995},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BUMI_1999_8_2B_3_a7/}
}