The tree inclusion problem

Reference:

P. Kilpeläinen and Heikki Mannila. The tree inclusion problem. In TAPSOFT '91, pages 202–214, 1991.

Suggested BibTeX entry:

@inproceedings{kmtapsoft,
    author = {P. Kilpel{\"a}inen and Heikki Mannila},
    booktitle = {TAPSOFT '91},
    pages = {202-214},
    title = {The tree inclusion problem},
    year = {1991},
}