Teorema da recorrência de Poincaré (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Teorema da recorrência de Poincaré" in Portuguese language version.

refsWebsite

Global rank Portuguese rank

207^th place

589^th place

psu.edu

personal.psu.edu

Geometry and Billiards, Sege Tabachnikov, [1]