Erich Grädel

2 references under this name, matched as it is written. Somebody else may write under it too, and the same person may appear here spelled another way.

Undecidability results on two-variable logics

Erich Grädel and others (1999) · Archive for Mathematical Logic · Springer Science+Business Media

The Classical Decision Problem

Egon Börger and others (1997) · Springer Nature