Cite

    Mahboub Baccouch. “Asymptotically exact a posteriori local discontinuous Galerkin error estimates for the one‐dimensional second‐order wave equation.” Numerical methods for partial differential equations, vol. 31, no. 5, 2015, pp. 1461–1491. http://access.bl.uk/ark:/81055/vdc_100025994360.0x000016