TY - JOUR AU - Merryfield, Kent AU - Stein, James D., Jr. TI - Common fixed points of two isotone maps on a complete lattice JO - Czechoslovak Mathematical Journal PY - 1999 SP - 849 EP - 866 VL - 49 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMJ_1999__49_4_a16/ LA - en ID - CMJ_1999__49_4_a16 ER -