@article{1077468784,
author = {Calabi, E.},
title = {Errata: ``An extension of E. Hopf's maximum principle with an application to Riemannian geometry,'' vol. 25 (1958), pp. 45--56},
journal = {Duke Math. J.},
volume = {26},
number = {1},
year = {1959},
language = {en},
url = {http://dml.mathdoc.fr/item/1077468784}
}
Calabi, E. Errata: “An extension of E. Hopf’s maximum principle with an application to Riemannian geometry,” vol. 25 (1958), pp. 45–56. Duke Math. J., Tome 26 (1959) no. 1, . http://gdmltest.u-ga.fr/item/1077468784/