%0 Journal Article %T Numerical solutions for the fourth order extended fisher-kolmogorov equation with high accuracy by differential quadrature method %A BAŞHAN, A. %A UÇAR, Y. %A YAĞMURLU, N.M. %A ESEN, A. %J Sigma Journal of Engineering and Natural Sciences %D 2018 %V 9 %P 273-284 %R