Dontchev A.L. Implicit functions and solution mappings. A view from variational analysis / A. L. Dontchev, R. T. Rockafellar, 2009. - XII, 375 p. - Текст : непосредственный.
Dontchev A.L. Implicit functions and solution mappings : a view from variational analysis / A. L. Dontchev, R. T. Rockafellar, 2009 r=on-line. - Текст : электронный.