Integration of Informal and Formal Development of Object-Oriented Safety-Critical Software: A Case Study with the KeY System.

Richard Bubel Reiner Hähnle Integration of Informal and Formal Development of Object-Oriented Safety-Critical Software: A Case Study with the KeY System. 2003 80 Electr. Notes Theor. Comput. Sci. http://www1.elsevier.com/gej-ng/31/29/23/137/23/show/Products/notes/index.htt#002 db/journals/entcs/entcs80.html#BubelH03