http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
v.1. Ordinary differential equations and smooth dynamical systems / D. V. Anosov (Ed.). - 233 p. - 1988 -- v.3. - xiv, 291 p. - 1988 -- v.4. Symplectic geometry and its applications / S. P. Novikov (ed.). - 283 p. - 1990.
Includes bibliographical references and index
Encyclopaedia of mathematical sciences 4