"... je ne sais pas entreprendre l'analyse d'une analyse (qui a dû être un sacré boulot !)"Autograph letter, dated and signed, to André Parinaud thanking him for his favourable review
He apologizes for not being able to respond quickly to his laudatory article before thanking him: "... it is certain that by emphasizing both the technical aspect and the other (underlined words), you render the book a great service, and take the animal by the right end...", he also acknowledges the clairvoyance and pertinence of his article...
