Triangles et trièdres orthoperspectifs
Subtitle: Sur les cyclides. (deuxiěme communication)
Publisher: Hayez
Published: 1924
Place of publication: [Bruxelles
Language: fre
Number of pages: 11
Notes: Extract from the Bulletin of the Académie Royale de Belgique (Classes des Sciences), Session of the 5th April, 1924, pp. 170-180.