@article{TRSPY_1994_203_a27,
     author = {A. Kaminski and D. Kova\v{c}evi\'c and S. Pilipovi\'c},
     title = {The equivalence of various deffinitions of the convolution of ultradistributions},
     journal = {Informatics and Automation},
     pages = {307--322},
     publisher = {mathdoc},
     volume = {203},
     year = {1994},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1994_203_a27/}
}