@article{10_21136_AM_1994_134264,
     author = {K\v{r}{\'\i}\v{z}kov\'a, Jitka and Van\v{e}k, Petr},
     title = {Preconditioning of conjugate gradients by multigrid solver},
     journal = {Applications of Mathematics},
     pages = {357--364},
     publisher = {mathdoc},
     volume = {39},
     number = {5},
     year = {1994},
     doi = {10.21136/AM.1994.134264},
     mrnumber = {1288148},
     zbl = {0815.65042},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/articles/10.21136/AM.1994.134264/}
}