TY - JOUR AU - O. Kallenberg TI - From Optional Skipping to Random Time Change --- on Some Recent Advances in Exchangeability Theory JO - Teoriâ veroâtnostej i ee primeneniâ PY - 1992 SP - 64 EP - 74 VL - 37 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TVP_1992_37_1_a9/ LA - ru ID - TVP_1992_37_1_a9 ER -