TY - JOUR TI - Coincidence theorems for expansion mappings with applications to the solutions of functional equations arising in dynamic programming T3 - Acta scientiarum mathematicarum AU - Liu Ze-Qing PY - 1999 LA - English SN - 0001-6969 UR - http://acta.bibl.u-szeged.hu/15762/1/math_065_numb_001_002_359-369.pdf ER -