@article{1183503794,
author = {Reade, Maxwell and Beckenbach, E. F.},
title = {An integral analogue of Laplace's equation},
journal = {Bull. Amer. Math. Soc.},
volume = {47},
number = {11},
year = {1941},
pages = { 633-640},
language = {en},
url = {http://dml.mathdoc.fr/item/1183503794}
}
Reade, Maxwell; Beckenbach, E. F. An integral analogue of Laplace's equation. Bull. Amer. Math. Soc., Tome 47 (1941) no. 11, pp. 633-640. http://gdmltest.u-ga.fr/item/1183503794/