@article{GDZPPN002432005,
title = {Interaction of Periodic and Stationary Bifurcation from Multiple Eigenvalues.},
journal = {Mathematische Zeitschrift},
volume = {192},
year = {1986},
pages = {159-166},
zbl = {0596.47047},
url = {http://dml.mathdoc.fr/item/GDZPPN002432005}
}
Kielhöfer, Hansjörg. Interaction of Periodic and Stationary Bifurcation from Multiple Eigenvalues.. Mathematische Zeitschrift, Tome 192 (1986) pp. 159-166. http://gdmltest.u-ga.fr/item/GDZPPN002432005/