Near-field broadband beamformer design via multidimensional semi-infinite linear programming techniques
K. Yiu, X. Yang, S. Nordholm, K. Teo, "Near-field broadband beamformer design via multidimensional semi-infinite linear programming techniques", IEEE Trans. Speech Audio Process., vol. 11, no. 6, pp. 725-732, Nov. 2003.
2003