@article{AM2_1990__40_1_137375,
     author = {J.A. Siddiqi},
     title = {Inclusion and differentiability criteria for {Lp-classes} of infinitely differentiable functions.},
     journal = {Aequationes mathematicae},
     pages = {235--247},
     publisher = {mathdoc},
     volume = {40},
     number = {1},
     year = {1990},
     zbl = {0717.26015},
     url = {http://geodesic.mathdoc.fr/item/AM2_1990__40_1_137375/}
}