On Representation of Partially Ordered Sets. Alexander Abian; David Deever — 1966 Mathematische Zeitschrift
On the bounds of the minimal length of sequences representing simply ordered sets. David Deever; A. Abian — 1966 Archiv für mathematische Logik und Grundlagenforschung
A short proof of a strong version of Poprużenko's Theorem Alexander Abian; David Deever — 1966 Fundamenta Mathematicae
Representation of partially and simply ordered sets by terminating sequences. Alexander Abian; David Deever — 1966 Bollettino dell'Unione Matematica Italiana