@article{00639835,
title = {Some distributional products with relativistic invariance.},
journal = {Portugaliae Mathematica. Nova S\'erie},
volume = {51},
year = {1994},
pages = {283-290},
zbl = {0806.46042},
language = {en},
url = {http://dml.mathdoc.fr/item/00639835}
}
Sarrico, C.O.R. Some distributional products with relativistic invariance.. Portugaliae Mathematica. Nova Série, Tome 51 (1994) pp. 283-290. http://gdmltest.u-ga.fr/item/00639835/