TY - JOUR AU - Wang, Wenli AU - Tian, Jingfeng TI - Difference equations involving causal operators with nonlinear boundary conditions JO - Journal of nonlinear sciences and its applications PY - 2015 SP - 267 EP - 274 VL - 8 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.22436/jnsa.008.03.11/ DO - 10.22436/jnsa.008.03.11 LA - en ID - JNSA_2015_8_3_a10 ER -