Search results
Journal of Computer and System Sciences > 2005 > 71 > 1 > 34-69
Electronic Notes in Theoretical Computer Science > 2004 > 96 > Complete > 91-112
Journal of Computer and System Sciences > 2005 > 71 > 1 > 34-69
Electronic Notes in Theoretical Computer Science > 2004 > 96 > Complete > 91-112