@article{PORMA_1994__51_2_47064,
     author = {Sarrico, C.O.R.},
     title = {Some distributional products with relativistic invariance.},
     journal = {Portugaliae mathematica},
     pages = {283--290},
     publisher = {mathdoc},
     volume = {51},
     number = {2},
     year = {1994},
     zbl = {0806.46042},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1994__51_2_47064/}
}