@ARTICLE\{IMM1982-01544, author = "F. Nielson", title = "A Denotational Framework for Data Flow Analysis", year = "1982", pages = "265-287", journal = "Acta Informatica", volume = "18", editor = "", number = "", publisher = "", url = "http://www2.compute.dtu.dk/pubdb/pubs/1544-full.html" }