TY  - JOUR
AU  - Blażej Szmanda
TI  - Oscillation criteria for second order non-linear difference equations
JO  - Annales Polonici Mathematici
PY  - 1983
SP  - 225
EP  - 235
VL  - 43
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/ap-43-3-225-235/
DO  - 10.4064/ap-43-3-225-235
LA  - en
ID  - 10_4064_ap_43_3_225_235
ER  -