TY - JOUR AU - Liu, Xin-Ge AU - Tang, Mei-Lan TI - Existence of positive periodic solutions of higher-order functional difference equations JO - Applications of Mathematics PY - 2014 SP - 25 EP - 36 VL - 59 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1007/s10492-014-0039-5/ DO - 10.1007/s10492-014-0039-5 LA - en ID - 10_1007_s10492_014_0039_5 ER -