Fraïssé, R. Abritement entre relations et spécialement entre chaînes. (French) Zbl 0211.01802 Sympos. Math., Roma 5, Teoria Modelli, Nov. 1969, Geometria, Apr. 1970, 203-251 (1971). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 4 ReviewsCited in 17 Documents MSC: 03E99 Set theory PDF BibTeX XML