Isac, George. Scalar and asymptotic scalar derivatives theory and applications / [electronic resource] : George Isac, Sandor Zoltan Nemeth. - Boston, MA : Springer-Verlag US, 2008. - 250 p. : ill., digital ; 25 cm. - Springer optimization and its applications . ISBN: 9780387739885 (electronic bk.) 9780387739878 (paper) Subjects--Topical Terms: Numerical analysis.Scalar field theory.Mathematics. Dewey Class. No.: 518