Goursat, Edouard Jean Baptiste, 1858- *#E5129.244 Lecons sur le probléme de Pfaff. ; — Paris. Herman. 1922. iii—viii, 386, (1) pp. 2414 cm., in 8s.
This card was printed at the Boston @ Public Library, December 3, 1923. M7566 — Differential equations. - Pfaff’s problem. — Analysis. Mathematical
term.