Locally reduced-rank optimal filtering and its approximation by successive alternating minimization. - Isao Yamada; Jamal Elbadraoui (ICASSP (6), 2003)

Minimum-Variance Pseudo-Unbiased Low-Rank Estimator for Ill-Conditioned Inverse Problems. - Isao Yamada; Jamal Elbadraoui (ICASSP (3), 2006)