TY - JOUR TI - AN INTRODUCTION TO LONG‐MEMORY TIME SERIES MODELS AND FRACTIONAL DIFFERENCING AU - Clive W. J. Granger AU - Roselyne Joyeux JO - Journal of Time Series Analysis PY - 1980 VL - 1 IS - 1 DO - 10.1111/j.1467-9892.1980.tb00297.x UR - https://doi.org/10.1111/j.1467-9892.1980.tb00297.x ER -