Novak, V. On a certain property of the ordinal sum. (Czech) Zbl 0132.26003 Cas. Pěst. Mat. 89, 78-83 (1964). 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 Full Text: DOI