Regular operators on partial inner product spaces J.-P. Antoine; F. Mathot — 1982 Annales de l'I.H.P. Physique théorique
Partial *-algebras of closed operators and their commutants. I. General structure J.-P. Antoine; F. Mathot — 1987 Annales de l'I.H.P. Physique théorique
Partial *-algebras of closed operators and their commutants. II. Commutants and bicommutants J.-P. Antoine; F. Mathot; C. Trapani — 1987 Annales de l'I.H.P. Physique théorique