Hansoul, G.; Varlet, J. Essential, strong and perfect extensions of lattices. (English) Zbl 0524.06015 Bull. Soc. R. Sci. Liège 52, 22-34 (1983). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 06B10 Lattice ideals, congruence relations 06D05 Structure and representation theory of distributive lattices Keywords:essential extensions; distributive lattices; congruence; perfect extensions; strong extension PDF BibTeX XML Cite \textit{G. Hansoul} and \textit{J. Varlet}, Bull. Soc. R. Sci. Liège 52, 22--34 (1983; Zbl 0524.06015)