La potenza del tenebre.

Dramma in cinque atti. Tradotto da Boris Jakovenko. Firenze, Vallecchi 1944, cm.10,5x16, pp.194, brossura sopraccoperta figurata a colori. Biblioteca Vallecchi.

Traduzione di Erme Cadei. Milano, Mondadori Ed. 1963, 3 volumi su 4. cm.11x19, pp.circa 1200 complessive, legature editoriali cartonate. Collana BMM,252,253,254,255,256,257,

Milano, Minerva Ed. 1935, cm.12x18, pp.248, legatura ed.cop.fig.a col.

A cura di Nice Contieri. Casini 1966, cm.14x21, pp.922, legatura editoriale, Collana I Grandi Maestri,31.

A cura di Armando Massarenti. Milano, Il Sole 24 Ore 2006, cm.14,5x21,5, pp.380, numerose ill.a col.nt. legatura ed.cartonata, cop.figurata. Collana I Grandi Filosofi,14.

New York, Dover Publications 2011, cm.15x22, pp.VIII,315, brossura copertina figurata. Edizione rivista. This updated introduction to modern numerical analysis is a complete revision of a classic text originally written in Fortran but now featuring the programming language C++. It considers a relatively small number of basic concepts and techniques, focusing on how and why each method works. The authors offer careful consideration of error-analysis aspects related to the problems and algorithms. The treatment also reviews and solidifies basic concepts from elementary calculus, emphasizing theory and proofs. It makes repeated use of the mean-value theorem, intermediate-value theorem, and Taylor's series. Many exercises appear throughout the text, most with solutions, and an extensive tutorial explains how to solve problems with C++.