Speech analysis and restitution using time-depedent autoregressive models. - Marie-Christine Omnes-Chevalier; C. Chollet; Yves Grenier (ICASSP, 1985)

Autoregressive models with time-dependent log area ratios. - Yves Grenier; Marie-Christine Omnes-Chevalier (IEEE Trans. Acoust. Speech Signal Process., 1988)