TY - JOUR TI - Numerical solutions for the fourth order extended fisher-kolmogorov equation with high accuracy by differential quadrature method AU - BAŞHAN, A. AU - UÇAR, Y. AU - YAĞMURLU, N.M. AU - ESEN, A. JO - Sigma Journal of Engineering and Natural Sciences PY - 2018 VL - 9 SP - 273 EP - 284 DO - ER -