Two 8vo (222x147 mm), xvi-308 pages / xxi-(1)-582 pages. binding : Contemporary quarter chagreen, gilt spine in five compartments. Binding slightly rubbed.
First edition. Jacques Hadamard (1865-1963) was a French mathematician, known for his work in number theory, complex analysis, functional analysis, and differential geometry. Volume I: Plane Geometry Volume II: Geometry in space.