@article{GDZPPN002337738,
title = {The second variation of area of minimal surfaces in four-manifolds.},
journal = {Mathematische Annalen},
volume = {295},
year = {1993},
pages = {245-268},
zbl = {0788.58016},
url = {http://dml.mathdoc.fr/item/GDZPPN002337738}
}
Micallef, Mario J.; Wolfson, Jon G. The second variation of area of minimal surfaces in four-manifolds.. Mathematische Annalen, Tome 295 (1993) pp. 245-268. http://gdmltest.u-ga.fr/item/GDZPPN002337738/