@article{2640,
author = {Gupta, P.M. and Kulshreshtha, S.K.},
title = {Functions of four variables which satisfy both the heat equation and the Laplace equation in three variables - II},
journal = {Portugaliae mathematica},
volume = {29},
year = {1970},
pages = {213-219},
zbl = {0217.40702},
mrnumber = {0338560},
language = {en},
url = {http://dml.mathdoc.fr/item/2640}
}
Gupta, P.M.; Kulshreshtha, S.K. Functions of four variables which satisfy both the heat equation and the Laplace equation in three variables - II. Portugaliae mathematica, Tome 29 (1970) pp. 213-219. http://gdmltest.u-ga.fr/item/2640/