TY - JOUR AU - Ladecký, Martin AU - Pultarová, Ivana AU - Zeman, Jan TI - Guaranteed two-sided bounds on all eigenvalues of preconditioned diffusion and elasticity problems solved by the finite element method JO - Applications of Mathematics PY - 2021 SP - 21 EP - 42 VL - 66 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.2020.0217-19/ DO - 10.21136/AM.2020.0217-19 LA - en ID - 10_21136_AM_2020_0217_19 ER -