TY - JOUR AU - R. ZieliƄski TI - A class of stopping rules for fixed precision sequential estimates JO - Applicationes Mathematicae PY - 1980 SP - 277 EP - 281 VL - 17 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/am-17-2-277-281/ DO - 10.4064/am-17-2-277-281 LA - en ID - 10_4064_am_17_2_277_281 ER -