@article{03680513,
title = {Smoothness properties of functions in },
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {2},
year = {1979},
pages = {415-426},
doi = {10.1155/S0161171279000326},
zbl = {0436.46040},
language = {en},
url = {http://dml.mathdoc.fr/item/03680513}
}
Wolf, Edwin. Smoothness properties of functions in . International Journal of Mathematics and Mathematical Sciences, Tome 2 (1979) pp. 415-426. doi : 10.1155/S0161171279000326. http://gdmltest.u-ga.fr/item/03680513/