@article{10_21136_AM_1970_103314,
     author = {Liebl, Petr and Nov\'akov\'a, Mark\'eta},
     title = {A method for dealing with ill-conditioned symmetric linear systems},
     journal = {Applications of Mathematics},
     pages = {407--412},
     publisher = {mathdoc},
     volume = {15},
     number = {6},
     year = {1970},
     doi = {10.21136/AM.1970.103314},
     mrnumber = {0278501},
     zbl = {0221.65074},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1970.103314/}
}