TY - JOUR AU - Krajka, A. AU - Rychlik, Z. TI - Necessary and sufficient conditions for weak convergence of random sums of independent random variables JO - Commentationes Mathematicae Universitatis Carolinae PY - 1993 SP - 465 EP - 482 VL - 34 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_1993__34_3_a9/ LA - en ID - CMUC_1993__34_3_a9 ER -