%0 Journal Article %A Dezani-Ciancaglini, M. %A Ronchi Della Rocca, S. %A Saitta, L. %T Complexity of $\lambda $-term reductions %J RAIRO. Informatique théorique %D 1979 %P 257-287 %V 13 %N 3 %I EDP-Sciences %U http://archive.numdam.org/item/ITA_1979__13_3_257_0/ %G en %F ITA_1979__13_3_257_0