TY - JOUR AU - Fernández y Fernández-Arroyo, F. J. TI - On the product of operator valued measures JO - Czechoslovak Mathematical Journal PY - 1990 SP - 543 EP - 562 VL - 40 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1990.102409/ DO - 10.21136/CMJ.1990.102409 LA - en ID - 10_21136_CMJ_1990_102409 ER -