1. E. Majani, R. Erlanson, and Y. Abu-Mostafa, "On the k-winners-take-all network," in Advances in Neural Information Processing Systems 1, R. P. Lippmann, J. E. Moody, and D. S. Touretzky, Eds. San Mateo, CA: Morgan Kaufmann, 1989, pp. 634-642.
2. J. Wang, "Analysis and design of a k-winners-takeall network with a single state variable and the Heaviside step activation function," IEEE Trans. Neural Netw., vol. 21, no. 9, pp. 1496-1506, Sept. 2010.
3. P. V. Tymoshchuk, "A simplified continuous-time model of analogue K-winners-take-all neural circuit", in Proc. XI Int. Conf. "The Experience of Designing and Application of CAD Systems in Microelectronics", Polyana-Svalyava, Ukraine, February 23-25, 2011, pp. 121-125.
4. R. P. Lippmann, "An introduction to computing with neural nets," IEEE Acoustics, Speech and Signal Processing Magazine, vol. 3, no. 4, pp. 4-22, Apr. 1987.
5. P. Tymoshchuk and E. Kaszkurewicz, "A winner-take all circuit using neural networks as building blocks," Neurocomputing, vol. 64, pp. 375-396, Mar. 2005.