Tomás Gergelits, Bjørn Fredrik Nielsen, Zdenek Strakos. Generalized Spectrum of Second Order Differential Operators. SIAM J. Numerical Analysis, 58(4):2193-2211, 2020. [doi]
@article{GergelitsNS20,
title = {Generalized Spectrum of Second Order Differential Operators},
author = {Tomás Gergelits and Bjørn Fredrik Nielsen and Zdenek Strakos},
year = {2020},
doi = {10.1137/20M1316159},
url = {https://doi.org/10.1137/20M1316159},
researchr = {https://researchr.org/publication/GergelitsNS20},
cites = {0},
citedby = {0},
journal = {SIAM J. Numerical Analysis},
volume = {58},
number = {4},
pages = {2193-2211},
}