Achache, A. Sur la generation. (French) Zbl 0177.02402 Publ. Dep. Math., Lyon 5, No. 2, 57-72 (1968). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Keywords:ordered sets, lattices × Cite Format Result Cite Review PDF