Search results
Journal of Computer and System Sciences > 2012 > 78 > 4 > 1026-1044
Annals of Mathematics and Artificial Intelligence > 2011 > 63 > 3-4 > 213-255
Journal of Computer and System Sciences > 2012 > 78 > 4 > 1026-1044
Annals of Mathematics and Artificial Intelligence > 2011 > 63 > 3-4 > 213-255