Chi-Jen Lu. An Exact Characterization of Symmetric Functions in qAC:::0:::[2]. In Wen-Lian Hsu, Ming-Yang Kao, editors, Computing and Combinatorics, 4th Annual International Conference, COCOON 98, Taipei, Taiwan, R.o.C., August 12-14, 1998, Proceedings. Volume 1449 of Lecture Notes in Computer Science, pages 167-173, Springer, 1998. [doi]
Abstract is missing.