Erdös, László. “The Kernel of Dirac Operators onhttps://doi.org/10.1090/amsip/016__and .”https://doi.org/10.1090/amsip/016__In Differential Equations and Mathematical Physics, 16:111–19. American Mathematical Society, 2000.https://doi.org/10.1090/amsip/016 .
LibreCat: https://research-explorer.ista.ac.at/record/2710
DOI: 10.1090/amsip/016
arXiv: math-ph/0001036