%0 Journal Article %A Alberto Enciso %A David Hartley %A Daniel Peralta-Salas %T A problem of Berry and knotted zeros in the eigenfunctions of the harmonic oscillator %J Journal of the European Mathematical Society %D 2018 %P 301-314 %V 20 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4171/jems/767/ %R 10.4171/jems/767 %F JEMS_2018_20_2_a1