TY - JOUR AU - Parand, K. AU - Roozbahani, Z. AU - Bayat Babolghani, F. TI - Solving nonlinear Lane-Emden type equations with unsupervised combined artificial neural networks JO - International Journal of Industrial Mathematics VL - 5 IS - 4 SP - 355 EP - 366 PY - 2013 DO - ER -