TY  - JOUR
AU  - Sui Cheng
AU  - Guang Zhang
TI  - Existence criteria for positive solutions of a nonlinear difference inequality
JO  - Annales Polonici Mathematici
PY  - 2000
SP  - 197
EP  - 220
VL  - 73
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/ap-73-3-197-220/
DO  - 10.4064/ap-73-3-197-220
LA  - en
ID  - 10_4064_ap_73_3_197_220
ER  -