@article{GDZPPN002436426,
title = {Positive Definite Functions on the Heisenberg Group.},
journal = {Mathematische Zeitschrift},
volume = {202},
year = {1989},
pages = {455-476},
zbl = {0702.43004},
url = {http://dml.mathdoc.fr/item/GDZPPN002436426}
}
Jorgensen, Palle E.T. Positive Definite Functions on the Heisenberg Group.. Mathematische Zeitschrift, Tome 202 (1989) pp. 455-476. http://gdmltest.u-ga.fr/item/GDZPPN002436426/