@article{1102720855,
author = {Hardin, Clyde D. and Pitt, Loren D.},
title = {Integral invariants of functions and $L^{p}$ isometries on groups.},
journal = {Pacific J. Math.},
volume = {109},
number = {2},
year = {1983},
pages = { 293-306},
language = {en},
url = {http://dml.mathdoc.fr/item/1102720855}
}
Hardin, Clyde D.; Pitt, Loren D. Integral invariants of functions and $L^{p}$ isometries on groups.. Pacific J. Math., Tome 109 (1983) no. 2, pp. 293-306. http://gdmltest.u-ga.fr/item/1102720855/