Springer Nature on Twitter: "Jacques-Salomon Hadamard, French mathematician, was born #OnThisDay in 1865. He proved the prime number theorem in 1896. He made further major contributions in number theory, complex analysis, differential
Leçons de Géométrie Élémentaire: Salomon Hadamard, Jacques Hadamard Jacq: 9780526226511: Amazon.com: Books