TY - JOUR AU - Andrzej Pokrzywa TI - Matrices splitting the norm and their applications in the theory of stability of difference schemes JO - Mathematica Applicanda PY - 1985 SP - 29 EP - 47 VL - 13 IS - 26 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14708/ma.v13i26.1647/ DO - 10.14708/ma.v13i26.1647 LA - pl ID - 10_14708_ma_v13i26_1647 ER -