@article{10_21136_AM_2020_0217_19,
     author = {Ladeck\'y, Martin and Pultarov\'a, Ivana and Zeman, Jan},
     title = {Guaranteed two-sided bounds on all eigenvalues of preconditioned diffusion and elasticity problems solved by the finite element method},
     journal = {Applications of Mathematics},
     pages = {21--42},
     publisher = {mathdoc},
     volume = {66},
     number = {1},
     year = {2021},
     doi = {10.21136/AM.2020.0217-19},
     mrnumber = {4218600},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.2020.0217-19/}
}