@article{MAN_1979__240_163228,
     author = {A.K. Tiwari},
     title = {Singular {Products} of {Distributions.}},
     journal = {Mathematische Annalen},
     pages = {39--40},
     publisher = {mathdoc},
     volume = {240},
     year = {1979},
     zbl = {0377.46029},
     url = {http://geodesic.mathdoc.fr/item/MAN_1979__240_163228/}
}