1. Proving the correctness of algebraically specified software: modularity and observability issues;Bernot,1991
2. Towards an adequate notion of observation;Bernot,1992
3. The stratified loose approach: a generalization of initial and loose semantics;Bidoit,1987
4. New concepts for amalgamation and extension in the framework of specification logics;Ehrig,1991
5. Fundamentals of Algebraic Specifications;Ehrig,1985