@article{10_14708_ma_v13i26_1647,
     author = {Andrzej Pokrzywa},
     title = {Matrices splitting the norm and their applications in the theory of stability of difference schemes},
     journal = {Mathematica Applicanda},
     pages = { 29--47},
     publisher = {mathdoc},
     volume = {13},
     number = {26},
     year = {1985},
     doi = {10.14708/ma.v13i26.1647},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/ma.v13i26.1647/}
}