Andrey Nikolaevich Kolmogorov (19031987)

Alternative spellings: Kolmogoroff, Kolmogorow
 Lorentz, G. G., Superpositions, metric entropy, complexity of functions, widths, Bull. London Math. Soc. 22 (1990), 6471. This is one of the articles within a series dedicated to the work of Andrei Nikolaevich Kolmogorov which appeared in Bull. London Math. Soc. 22 (1990), 31100.
 Tikhomirov, V. M., A. N. Kolmogorov and approximation theory, (in Russian) Uspekhi Mat. Nauk 44 (1989), 83122, translation in Russian Math. Surveys 44 (1989), 101152.