Ana Almeida Matos Gérard Boudol Ilaria Castellani Typing noninterference for reactive programs. 124-156 2007 72 J. Log. Algebr. Program. 2 http://dx.doi.org/10.1016/j.jlap.2007.02.009 db/journals/jlp/jlp72.html#MatosBC07