TY - JOUR AU - Surajit Chattopadhyay AU - Deepak Jhajharia AU - Goutami Chattopadhyay TI - Trend estimation and univariate forecast of the sunspot numbers: Development and comparison of ARMA, ARIMA and Autoregressive Neural Network models JO - Comptes Rendus. GĂ©oscience PY - 2011 SP - 433 EP - 442 VL - 343 IS - 7 PB - Elsevier DO - 10.1016/j.crte.2011.07.008 LA - en ID - CRGEOS_2011__343_7_433_0 ER -