@article{GDZPPN002107260,
title = {Blow-up and global existence for heat flows of harmonic maps.},
journal = {Inventiones mathematicae},
volume = {100},
year = {1990},
pages = {567-578},
zbl = {0674.58019},
url = {http://dml.mathdoc.fr/item/GDZPPN002107260}
}
Ding, Wei-Yue; Chen, Yunmei. Blow-up and global existence for heat flows of harmonic maps.. Inventiones mathematicae, Tome 100 (1990) pp. 567-578. http://gdmltest.u-ga.fr/item/GDZPPN002107260/