@MISC{Smith_introductionto, author = {Andries Smith}, title = {Introduction to the Topology of Continuous Dynamical Systems}, year = {}}
Let (X, d) be a nonempty metric space with the usual basis, B = {Bɛ(x) | x ∈ X, ɛ ∈ R +}
continuous dynamical system nonempty metric space usual basis