DONNAY, JOSEPH DESIRE HUBERT.
Spherical trigonometry after the Cesaro Method, by J. D. H. Donnay.
DONNAY, JOSEPH DESIRE HUBERT. Spherical trigonometry after the Cesaro Method, by J. D. H. Donnay. © 27Jul45; A189199. Joseph Desire Hubert Donnay (A); 8Jan73; R543525.
Joseph Desire Hubert Donnay|A