Adaptive spectral estimation by the conjugate gradient method. - Huanqun Chen; Tapan K. Sarkar; Soheil A. Dianat; John D. Brule (ICASSP, 1985)

Adaptive spectral estimation by the conjugate gradient method. - Huanqun Chen; Tapan K. Sarkar; Sohail A. Dianat; John Brule (IEEE Trans. Acoust. Speech Signal Process., 1986)