@article{05379373,
title = {Surfaces of revolution in the Heisenberg group and the spectral generalization of the Willmore functional.},
journal = {Sibirskij Matematicheskij Zhurnal},
volume = {48},
year = {2007},
pages = {496-511},
zbl = {1164.53372},
language = {en},
url = {http://dml.mathdoc.fr/item/05379373}
}
Berdinskij, D.A.; Tajmanov, I.A. Surfaces of revolution in the Heisenberg group and the spectral generalization of the Willmore functional.. Sibirskij Matematicheskij Zhurnal, Tome 48 (2007) pp. 496-511. http://gdmltest.u-ga.fr/item/05379373/