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Guillaume Bigourdan
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Camille Guillaume Bigourdan was a French astronomer.
Guillaume Bigourdan
Félix Tisserand
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François Félix Tisserand was a French astronomer.
Félix Tisserand
Title page to volume I of Traité de Mécanique Céleste (1889)
Title page to volume I of Traité de Mécanique Céleste (1889)