1. Σ11-formulae on finite structures;Ajtai;Annals Pure and Applied Logic,1983
2. A theorem on probabilistic constant depth computations;Ajtai,1984
3. Threshold functions and bounded depth monotone circuits;Boppana,1984
4. Unbounded fan-in circuits and associative functions;Chandra,1983
5. Constant depth reducibility;Chandra;SIAM J. Computing,1984