Risorse per la matematica organizzate per classificazione o argomento: Alcune collezioni fondamentali 2.
<http://www.math.niu.edu/~rusin/known-math/index/index.html>
The Mathematical Atlas is a collection of articles about
aspects of mathematics at and above the university
level, but (usually not at the level of current research.
The goal of this collection is to introduce the subject
areas of modern mathematics, to describe a few of the
milestone results and topics, and to give pointers to
some of the key resources where further information
<http://www.math.niu.edu/~rusin/known-math/index/mathmap.html>
The material is arranged in a hierarchy of disciplines,