TY - JOUR AU - Opluštil, Zdeněk TI - Some notes on oscillation of two-dimensional system of difference equations JO - Mathematica Bohemica PY - 2014 SP - 417 EP - 428 VL - 139 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/MB.2014.143866/ DO - 10.21136/MB.2014.143866 LA - en ID - 10_21136_MB_2014_143866 ER -