Mathematics
Mathematics
SINGER, IVAN.
Best Approximation in Normal L..Bucharest, Berlin, Publ. House of the Academy, Springer, 1970.
LAUREMBERG, JOANNE (HANS WILLUMSEN). - TEACHING MATHEMATICS IN DENMARK.
Ocium Soranum, sive Epigrammat..Hafniae, Joachim Moltken, 1640.
BOLLÉE, LÉON. - THE INVENTION OF "THE MILLIONAIRE CALCULATOR"
Sur une nouvelle machine à cal..(Paris, Gauthier-Villars, 1889).
(MATHIEU, CLAUDE, MICHEL CHASLES, CHARLES EUGENE DELAUNAY) - THE WIBERG CALCULATING MACHINE PRESENTED.
Rapport sur la machine à calcu..(Paris, Mallet-Bachelier), 1863.