http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Unfoldings and bifurcations of quasi-periodic tori
"January 1990, volume 83, number 421 (third of 6 numbers)."
Includes bibliographical references (p. 171-175)
Flows (Differentiable dynamical systems)
Memoirs of the American Mathematical Society ; ; 421