@article{
    Orpo07,
    author = "Orponen, Pekka",
    note = "",
    responsibleauthor = "Orponen, Pekka",
    title = {"{P} = {NP}" -ongelma ja laskennan vaativuusteoria},
    url = "http://users.ics.aalto.fi/orponen/publications.html",
    journal = "Tietojenkäsittelytiede",
    volume = "26",
    flags = "public",
    year = "2007",
    impactfactor = "E=Other_publications",
    pages = "54--67"
}