TY - JOUR AU - Al-Refai, Mohammed AU - Baleanu, Dumitru TI - Estimates of higher order fractional derivatives at extreme points JO - Journal of nonlinear sciences and its applications PY - 2017 SP - 5174 EP - 5181 VL - 10 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.22436/jnsa.010.10.05/ DO - 10.22436/jnsa.010.10.05 LA - en ID - JNSA_2017_10_10_a4 ER -