On some classes of unrecognizable properties of groups. N.B. Bozovic — 1979 Publications de l'Institut Mathématique [Elektronische Ressource]
On Markov properties of finitely presented groups. N.B. Bozovic — 1977 Publications de l'Institut Mathématique [Elektronische Ressource]
A note on a generalization of some undecidability results in group theory. N.B. Bozovic — 1979 Publications de l'Institut Mathématique [Elektronische Ressource]