TY - JOUR AU - Wen-Xian Lin TI - On the existence of positive solutions of second order neutral difference equations JO - Applicationes Mathematicae PY - 2004 SP - 5 EP - 11 VL - 31 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/am31-1-2/ DO - 10.4064/am31-1-2 LA - en ID - 10_4064_am31_1_2 ER -