1. On orthogonally $\sigma$-complete lattice ordered groups Creator: Jakubík, Ján Format: bez média and svazek Type: model:article and TEXT Subject: lattice ordered group, orthogonal $\sigma $-completeness, and direct factor Language: English Description: In this paper we prove a theorem of Cantor-Bernstein type for orthogonally $\sigma $-complete lattice ordered groups. Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public