@article{ITA_1979__13_3_257_0,
     author = {Dezani-Ciancaglini, M. and Ronchi Della Rocca, S. and Saitta, L.},
     title = {Complexity of $\lambda $-term reductions},
     journal = {RAIRO. Informatique th\'eorique},
     pages = {257--287},
     publisher = {EDP-Sciences},
     volume = {13},
     number = {3},
     year = {1979},
     mrnumber = {554687},
     zbl = {0424.03009},
     language = {en},
     url = {http://archive.numdam.org/item/ITA_1979__13_3_257_0/}
}