OKŠA, G., ROZLOŽNÍK, Miroslav. On numerical behavior of the Arnoldi algorithm in finite precision arithmetic for matrices with close eigenvalues. In: BLAHETA, R., STARÝ, J., eds. SNA '11 - Seminar on Numerical Analysis & Winter School. Ostrava: Institute of Geonics AS CR, 2011, S. 88-91. ISBN 978-80-86407-19-7. Dostupné z: http://www.ugn.cas.cz/events/2011/sna/sna-sbornik-final.pdf