TY - JOUR TI - Forecasting and testing in co-integrated systems AU - Robert F. Engle AU - Byung Sam Yoo JO - Journal of Econometrics PY - 1987 VL - 35 IS - 1 DO - 10.1016/0304-4076(87)90085-6 UR - https://doi.org/10.1016/0304-4076(87)90085-6 ER -