In 1866, ten years after Lobachevsky's death, Hoüel published a French translation of Lobachevsky's Geometrische Untersuchungen together with some of Gauss 's correspondence on non-euclidean geometry.
Noong 1866, sampung taon matapos Lobachevsky ng kamatayan, Hoüel-publish ng isang French pagsasalin ng Lobachevsky's Geometrische Untersuchungen kasama ang ilang ng gauss' s-uusap sa mga di-euclidean geometry.