@article{TUW-248569, author = {Deutschmann-Olek, Andreas and Jadachowski, Lukas and Kugi, Andreas}, title = {Backstepping-based boundary observer for a class of time-varying linear hyperbolic PIDEs}, journal = {Automatica}, year = {2016}, volume = {68}, pages = {369--377}, doi = {10.1016/j.automatica.2016.02.007} }