1. A recognition algorithm for deterministic CFLs optimal in time and space;Braunmühl,1980
2. The recognition problem for the set of perfect squares;Cobham,1966
3. Linear time simulation of deterministic two-way pushdown automata;Cook;Inform. Process. Lett.,1972
4. Deterministic CFLs are accepted simultaneously in polynomial time and log squared space;Cook,1979
5. Towards a complexity theory of synchronous parallel computation;Cook;L'Enseignement Mathématique,1981