TY - JOUR AU - J. Hagberg TI - Approximation of the summation process obtained by sampling from a finite population JO - Teoriâ veroâtnostej i ee primeneniâ PY - 1973 SP - 790 EP - 803 VL - 18 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TVP_1973_18_4_a7/ LA - en ID - TVP_1973_18_4_a7 ER -