Petz, D., Generalized Connectednesses and Disconnectednesses in Topology (1979) Petz, D., On Box Products of Syntopogenous Spaces (1979) Petz, D., On Center-Valued States of Von Neumann Algebras (1979) Petz, D., Fixed Points and Mean Ergodic Semigroups (1980) Petz, D., On the Central Spectrum and the Trace in Finite Von Neumann Algebras (1980) Petz, D., On the Finitness of Operator Algebras With Respect to an Automorphism Group (1980) Petz, D., A Mean Ergodic Theorem With a Look at Martingales (1982) Petz, D., Quasi-Uniform Ergodic Theorems in Von Neumann Algebras (1982) Petz, D., Information-Geometry of Quantum States (1995) Petz, D., Mathematical Information Theory (1995)