@CONFERENCE\{IMM1994-01798, author = "H. Jifeng and C. A. R. Hoare and M. Fr{\"{a}}nzle and M. Müller-Olm and E. Olderog and M. Schenke and M. R. Hansen and A. P. Ravn and H. Rischel", title = "Provably correct systems", year = "1994", pages = "288-335", booktitle = "Formal Techniques in Real-Time and Fault-Tolerant Systems ({FTRTFT} 94)", volume = "", series = "Lecture Notes in Computer Science, vol. 863", editor = "H. Langmaack, W.-P. de Roever, and J. Vytopil", publisher = "Springer Verlag", organization = "", address = "", url = "http://www2.compute.dtu.dk/pubdb/pubs/1798-full.html" }