S. Ravi Kumar,
Alexander Russell,
Ravi Sundaram
(1996).
Approximating Latin Square Extensions.
Proceedings of the Second Annual International Conference on Computing and Combinatorics (COCOON).
Marcos Kiwi,
Carsten Lund,
Alexander Russell,
Daniel Spielman,
Ravi Sundaram
(1994).
Alternation in interaction.
Proceedings of the Ninth IEEE Annual Structure in Complexity Theory Conference.