@unpublished{TUW-187233, author = {Schaffrin, Burkhard and Navratil, Gerhard}, title = {On Reproducing Linear Estimators within the GM-Model with Stochastic Constraints}, year = {2010}, note = {talk: LinStat 2010, Tomar, Portugal; 2010-07-27 -- 2010-07-31} }