Extremal problems for matrix-valued polynomials on the unit circle and applications to multivariate stationary sequences. - Lutz Klotz; Andreas Lasarow (J. Approx. Theory, 2003)

Dual Szegö pairs of sequences of rational matrix-valued functions. - Andreas Lasarow (Int. J. Math. Math. Sci., 2006)

Schur-Nevanlinna-Potapov sequences of rational matrix functions. - Adhemar Bultheel; Andreas Lasarow (J. Comput. Appl. Math., 2010)

On a class of extremal solutions of a moment problem for rational matrix-valued functions in the nondegenerate case II. - Bernd Fritzsche; Bernd Kirstein; Andreas Lasarow (J. Comput. Appl. Math., 2010)

More on a class of extremal solutions of a moment problem for rational matrix-valued functions in the nondegenerate case. - Andreas Lasarow (J. Approx. Theory, 2011)