Geometric theory of singular phenomena in partial differential equations : Cortona 1995 /
Bourguignon, J.-P.(Jean-Pierre),1947-
De Bartolomeis, P.(Paolo)
Giaquinta, Mariano,1947-
Cambridge : Cambridge University Press,
1998.
Includes bibliographical references.
Differential equations, Partial
Singularities (Mathematics)
Geometry, Differential