@article{ITA_2011__45_1_3_0,
     author = {Ancona, Davide and Lagorio, Giovanni},
     title = {Idealized coinductive type systems for imperative object-oriented programs},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {3--33},
     publisher = {EDP-Sciences},
     volume = {45},
     number = {1},
     year = {2011},
     doi = {10.1051/ita/2011009},
     mrnumber = {2776852},
     zbl = {1220.68047},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1051/ita/2011009/}
}