TY - JOUR AU - Byrd, Richard D. TI - $M$-polars in lattice-ordered groups JO - Czechoslovak Mathematical Journal PY - 1968 SP - 230 EP - 239 VL - 18 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1968.100829/ DO - 10.21136/CMJ.1968.100829 LA - en ID - 10_21136_CMJ_1968_100829 ER -