@article{GDZPPN002336715, title = {Lower eigenvalue estimates for Dirac operators.}, journal = {Mathematische Annalen}, volume = {293}, year = {1992}, pages = {39-46}, zbl = {0741.58046}, url = {http://dml.mathdoc.fr/item/GDZPPN002336715} }
Bär, Christian. Lower eigenvalue estimates for Dirac operators.. Mathematische Annalen, Tome 293 (1992) pp. 39-46. http://gdmltest.u-ga.fr/item/GDZPPN002336715/