@article{
    haos06:stekol,
    author = {Haanp{\"a}{\"a}, Harri and {\"O}sterg{\aa}rd, Patric R. J.},
    note = "In Finnish",
    title = {Steinerin kolmikkoj\"arjestelmist\"a sudokuun},
    journal = "Arkhimedes",
    number = "2",
    volume = "2006",
    flags = "public",
    year = "2006",
    pdf = "haos06stekol.pdf",
    annote = "sci",
    pages = "18-21"
}