Melchior, S., Legat, V., & Van Dooren, P. (2012). Multimesh H2-optimal model reduction for discretized PDEs. In A. Cangiani, R.L. Davidchack, E.H. Georgoulis, A. Gorban, J. Levesley and M.V. Tretyakov (eds) (ed.), Numerical Mathematics and Advanced Applications 2011. Springer. https://hdl.handle.net/2078.5/226194