@article{Nakonechnyi_2014 author = {Alexander G. Nakonechnyi and Sergey V. Demydenko }, title = {Guaranteed Estimation of Parameters of Linear Algebraic Equations for Nonstationary Observations}, journal = {Journal of Automation and Information Sciences}, issn = {1064-2315}, year = {2014}, volume = {46}, number = {1}, pages = {20--29} }