@article{GDZPPN002408856, title = {Spectral Theory of the Dirac Operator.}, journal = {Mathematische Zeitschrift}, volume = {121}, year = {1971}, pages = {1-23}, zbl = {0204.16301}, url = {http://dml.mathdoc.fr/item/GDZPPN002408856} }
Evans, Desmond W. Spectral Theory of the Dirac Operator.. Mathematische Zeitschrift, Tome 121 (1971) pp. 1-23. http://gdmltest.u-ga.fr/item/GDZPPN002408856/