@inProceedings{Viera2006, author = "F. Viera ", title = "On approximate closed form solutions of linear ordinary differential equations", series = "ANZIAM J.", volume = "47", pages = "C245--C260", year = 2006, booktitle = "Proceedings of the 7th Biennial Engineering Mathematics and Applications Conference, EMAC-2005", editor = "Andrew Stacey and Bill Blyth and John Shepherd and A. J. Roberts", month = sep, note = "\protect \url {http://anziamj.austms.org.au/V47EMAC2005/Viera} [September 18, 2006]", keywords = "", }