Emmanuel-Etienne Duvillard de Durand (1755-1832), connu pour ses activités d'actuaire et l'élaboration de tables de mortalité, a été longtemps ignoré pour sa contribution à l'analyse de la ...
NO one could be more competent than M. Hadamard to deal with the calculus of variations, and when this work is completed it will be a most valuable exposition of the present state of the subject. It ...
A VERY considerable debt is owing to M. Lecat not only for the labour which has been put into the compilation of this most valuable bibliography, but also for undertaking the publication of it without ...
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