Inverse and improperly posed problems in differential equations : proceedings of the Conference on Mathematical and Numerical Methods held in Halle, Saale (GDR) from May 29 to June 2, 1979
ed. by Gottfried Anger.
Berlin : Akademie-Verlag, 1979.
296 págs. : ilustraciones ; 24 cm.
Serie: Mathematical research = Mathematische Forschung ; Bd. 1