TY - JOUR AU - K. Urbanik TI - Joint probability distributions of observables in quantum mechanics JO - Studia Mathematica PY - 1961 SP - 117 EP - 133 VL - 21 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-21-1-117-133/ DO - 10.4064/sm-21-1-117-133 LA - en ID - 10_4064_sm_21_1_117_133 ER -