@article{RO_2000__34_3_251_0,
     author = {Lerman, I. C. and Rouxel, F.},
     title = {Comparing classification tree structures : a special case of comparing $q$-ary relations {II}},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {251--281},
     year = {2000},
     publisher = {EDP Sciences},
     volume = {34},
     number = {3},
     mrnumber = {1786462},
     zbl = {0955.05026},
     language = {en},
     url = {https://www.numdam.org/item/RO_2000__34_3_251_0/}
}