http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Introduction to the theory of partial differential equations
T 30.929 -- SMITH,M[ichael] G[ambier]: -- Introduction to the theory of partial -- differential equations. - London [usw.]: -- van Nostrand (1967). X,214 S. 8° -- (The new University Mathematics Series.) -- 1970: 4468 /gb. -- U: