@article{GDZPPN002424088,
title = {Convolutions of Vector Fields-I.},
journal = {Mathematische Zeitschrift},
volume = {174},
year = {1980},
pages = {63-80},
zbl = {0442.43015},
url = {http://dml.mathdoc.fr/item/GDZPPN002424088}
}
Rao, M.M. Convolutions of Vector Fields-I.. Mathematische Zeitschrift, Tome 174 (1980) pp. 63-80. http://gdmltest.u-ga.fr/item/GDZPPN002424088/