@article{Margulis_1998,
    doi = {10.1007/bf02764015},
    url = {https://doi.org/10.1007%2Fbf02764015},
    year = {1998},
    month = {dec},
    publisher = {Springer Science and Business Media {LLC}},
    volume = {107},
    number = {1},
    pages = {319--325},
    author = {G. A. Margulis and S. Mozes},
    title = {Aperiodic tilings of the hyperbolic plane by convex polygons},
    journal = {Israel Journal of Mathematics}
}

@article{Margulis_1998, doi = {10.1007/bf02764015}, url = {https://doi.org/10.1007%2Fbf02764015}, year = {1998}, month = {dec}, publisher = {Springer Science and Business Media {LLC}}, volume = {107}, number = {1}, pages = {319--325}, author = {G. A. Margulis and S. Mozes}, title = {Aperiodic tilings of the hyperbolic plane by convex polygons}, journal = {Israel Journal of Mathematics} }