@article{AM2_1975__12_136504,
     author = {M.J. Frank},
     title = {Associativity in a {Class} of {Operations} on {Spaces} of {Distribution} {Functions.}},
     journal = {Aequationes mathematicae},
     pages = {121--144},
     publisher = {mathdoc},
     volume = {12},
     year = {1975},
     zbl = {0308.39009},
     url = {http://geodesic.mathdoc.fr/item/AM2_1975__12_136504/}
}