TY  - JOUR
AU  - Popenda, J.
AU  - Schmeidel, E.
TI  - Nonoscillatory solutions of third order difference equations
JO  - Portugaliae mathematica
PY  - 1992
SP  - 233
EP  - 239
VL  - 49
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/PORMA_1992__49_2_115788/
LA  - en
ID  - PORMA_1992__49_2_115788
ER  -