TY - JOUR AU - Marek, Ivo TI - On $\cal K$-positive elements of the spectral resolution of a $\cal K$-positive operator JO - Časopis pro pěstování matematiky PY - 1965 SP - 442 EP - 450 VL - 090 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CPM.1965.108654/ DO - 10.21136/CPM.1965.108654 LA - en ID - 10_21136_CPM_1965_108654 ER -