@article{GDZPPN002432307,
title = {The Order of Helical Minimal Imbeddings of Strongly Harmonic Manifolds.},
journal = {Mathematische Zeitschrift},
volume = {192},
year = {1986},
pages = {555-568},
zbl = {0598.53054},
url = {http://dml.mathdoc.fr/item/GDZPPN002432307}
}
Sakamoto, Kunio. The Order of Helical Minimal Imbeddings of Strongly Harmonic Manifolds.. Mathematische Zeitschrift, Tome 192 (1986) pp. 555-568. http://gdmltest.u-ga.fr/item/GDZPPN002432307/