@misc{Dlubek_Helga_Spectral_1979, author={Dlubek, Helga}, volume={27}, editor={Polska Akademia Nauk.}, editor={Friedrich, Thomas (1949– )}, editor={Państwowe Wydawnictwo Naukowe (1951–1992)}, number={7-8}, copyright={Rights Reserved - Restricted Access}, address={Varsovie}, howpublished={online}, year={1979}, publisher={Państwowe Wydawnictwo Naukowe}, language={eng}, title={Spectral properties of the Dirac operator}, type={Text}, }