"Quasipatterns"@en . "Nash-Moser scheme"@en . "Quasipattern"@en . . "Rayleigh-B\u00E9nard convection"@en . . . "Small divisors"@en . . "Bifurcations"@en . "Boele" . "Boele Braaksma" . "Braaksma" . "4b63a750f105847cc40d79706f15a27e" . .