TY - GEN A1 - Hofstedt, Petra T1 - Constraint-Based Object-Oriented Programming T2 - IEEE Computer Society, IEEE Software Y1 - 2011 UR - https://opus4.kobv.de/opus4-UBICO/frontdoor/index/index/docId/5107 SN - 0740-7459 VL - 27 IS - 5 SP - 53 EP - 56 ER -