TY  - JOUR
AU  - Poll, Erik
TI  - A coalgebraic semantics of subtyping
JO  - RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
PY  - 2001
SP  - 61
EP  - 81
VL  - 35
IS  - 1
PB  - EDP-Sciences
UR  - http://www.numdam.org/item/ITA_2001__35_1_61_0/
LA  - en
ID  - ITA_2001__35_1_61_0
ER  -