TY - JOUR TI - Generalized autoregressive conditional heteroskedasticity AU - Tim Bollerslev JO - Journal of Econometrics PY - 1986 VL - 31 IS - 3 DO - 10.1016/0304-4076(86)90063-1 UR - https://doi.org/10.1016/0304-4076(86)90063-1 ER -