László Babai Sophie Laplante Stronger Separations for Random-Self-Reducibility, Rounds, and Advice. 98-104 1999 conf/coco/1999 IEEE Conference on Computational Complexity http://doi.ieeecomputersociety.org/10.1109/CCC.1999.766268 db/conf/coco/coco1999.html#BabaiL99