@article{05046605,
title = {Higher order variational problems on two-dimensional domains.},
journal = {Annales Academiae Scientiarum Fennicae. Mathematica},
volume = {31},
year = {2006},
pages = {349-362},
zbl = {1136.49027},
language = {en},
url = {http://dml.mathdoc.fr/item/05046605}
}
Bildhauer, Michael; Fuchs, Martin. Higher order variational problems on two-dimensional domains.. Annales Academiae Scientiarum Fennicae. Mathematica, Tome 31 (2006) pp. 349-362. http://gdmltest.u-ga.fr/item/05046605/