Search alternatives:
hilbert's seventeenth » hilbert's sixteenth, hilbert's seventh
hilbert's nineteenth » hilbert's sixteenth, hilbert's fourteenth, hilbert's thirteenth
"Hilbert's seventeenth problem" » "Hilbert's sixteenth problem", "Hilbert's seventh problem"
"Hilbert's nineteenth problem" » "Hilbert's sixteenth problem", "Hilbert's nineteen problems", "Hilbert's fourteenth problem"
hilbert's seventeenth » hilbert's sixteenth, hilbert's seventh
hilbert's nineteenth » hilbert's sixteenth, hilbert's fourteenth, hilbert's thirteenth
"Hilbert's seventeenth problem" » "Hilbert's sixteenth problem", "Hilbert's seventh problem"
"Hilbert's nineteenth problem" » "Hilbert's sixteenth problem", "Hilbert's nineteen problems", "Hilbert's fourteenth problem"