TY - JOUR AU - Jakubík, Ján TI - Retracts of abelian lattice ordered groups JO - Czechoslovak Mathematical Journal PY - 1989 SP - 477 EP - 485 VL - 39 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1989.102319/ DO - 10.21136/CMJ.1989.102319 LA - en ID - 10_21136_CMJ_1989_102319 ER -