@article{ITA_1993__27_3_221_0,
     author = {Poll, E. and Hemerik, C. and Ten Eikelder, H. M. M.},
     title = {CPO-models for second order lambda calculus with recursive types and subtyping},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {221--260},
     publisher = {EDP-Sciences},
     volume = {27},
     number = {3},
     year = {1993},
     mrnumber = {1227944},
     zbl = {0788.03016},
     language = {en},
     url = {http://www.numdam.org/item/ITA_1993__27_3_221_0/}
}