TY - JOUR A1 - Hyndman, Rob J A1 - Booth, Heather A1 - Yasmeen, Farah T1 - Coherent mortality forecasting: The product-ratio method with functional time series models. Y1 - 2013 UR - 10.1007/s13524-012-0145-5 JF - Demography VL - 50 IS - 1 SP - 261 EP - -283 ER -