@article{JEMS_2018_20_2_a1,
     author = {Alberto Enciso and David Hartley and Daniel Peralta-Salas},
     title = {A problem of {Berry} and knotted zeros in the eigenfunctions of the harmonic oscillator},
     journal = {Journal of the European Mathematical Society},
     pages = {301--314},
     publisher = {mathdoc},
     volume = {20},
     number = {2},
     year = {2018},
     doi = {10.4171/jems/767},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/767/}
}