A mixed probabilistic/bounded-error approach to parameter estimation in the presence of amplitude bounded white noise. - Fredrik Tjärnström; Andrea Garulli (CDC, 2002)

L2 Model reduction and variance reduction. - Fredrik Tjärnström; Lennart Ljung (Autom., 2002)

Using the bootstrap to estimate the variance in the case of undermodeling. - Fredrik Tjärnström; Lennart Ljung (IEEE Trans. Autom. Control., 2002)

Variance analysis of L2 model reduction when undermodeling - the output error case. - Fredrik Tjärnström (Autom., 2003)

Variance Properties of a Two-step ARX Estimation Procedure. - Fredrik Tjärnström; Lennart Ljung (Eur. J. Control, 2003)