@article{GDZPPN002100649,
title = {Total curvature for knotted surfaces.},
journal = {Inventiones mathematicae},
volume = {75},
year = {1984},
pages = {25-70},
zbl = {0553.53034},
url = {http://dml.mathdoc.fr/item/GDZPPN002100649}
}
Kuiper, N.H.; Meeks, W. III. Total curvature for knotted surfaces.. Inventiones mathematicae, Tome 75 (1984) pp. 25-70. http://gdmltest.u-ga.fr/item/GDZPPN002100649/