Kopytov, V. M. A non-Abelian variety of lattice-ordered groups in which every soluble \(\ell\)-group is Abelian. (English) Zbl 0583.06012 Math. USSR, Sb. 54, 239-257 (1986). Translation from Mat. Sb., Nov. Ser. 126(168), No.2, 247-266 (Russian) (1985; Zbl 0574.06012). MSC: 06F15 Ordered groups 20F60 Ordered groups (group-theoretic aspects) 20E10 Quasivarieties and varieties of groups 08B15 Lattices of varieties 06B20 Varieties of lattices Keywords:linearly ordered groups; o-approximable l-groups; variety of l-groups; solvable l-groups; minimal cover; lattice of varieties of l-groups PDF BibTeX XML Cite \textit{V. M. Kopytov}, Math. USSR, Sb. 54, 239--257 (1986; Zbl 0583.06012) Full Text: DOI