@article{Jol-Kac-2020,
    author={Patrick Joly and Maryna Kachanovska },
    title={Transparent boundary conditions for wave propagation in 
           fractal trees: convolution quadrature approach },
    doi={10.1007/s00211-020-01145-9 },
    journal={Numerische Mathematik },
    year={2020 },
    month={9},
}