@article{1214434352,
author = {Goldberg, S. I. and Ishihara, T.},
title = {Riemannian submersions commuting with the Laplacian},
journal = {J. Differential Geom.},
volume = {13},
number = {1},
year = {1978},
pages = { 139-144},
language = {en},
url = {http://dml.mathdoc.fr/item/1214434352}
}
Goldberg, S. I.; Ishihara, T. Riemannian submersions commuting with the Laplacian. J. Differential Geom., Tome 13 (1978) no. 1, pp. 139-144. http://gdmltest.u-ga.fr/item/1214434352/