TY - JOUR AU - D. Strobel TI - Estimation of the Sum of Statistical Variables by Using Classes with Random Limits JO - Metrika PY - 1966 SP - 39 EP - 45 VL - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MET_1966__10_175280/ ID - MET_1966__10_175280 ER -