@article{GDZPPN002067986,
title = {Harmonic map heat flow with free boundary.},
journal = {Commentarii mathematici Helvetici},
volume = {66},
year = {1991},
pages = {279-301},
zbl = {0727.53044},
url = {http://dml.mathdoc.fr/item/GDZPPN002067986}
}
Li, Ma. Harmonic map heat flow with free boundary.. Commentarii mathematici Helvetici, Tome 66 (1991) pp. 279-301. http://gdmltest.u-ga.fr/item/GDZPPN002067986/