Shishkin, Grigory I Difference methods for singular perturbation problems - Boca Raton CRC 2009 - [11],393 p. - Chapman & Hall/CRC Monographs and Surveys in pure and Applied Mathematics 140 . ISBN: 9781584884590 Subjects--Topical Terms: ABSTRACTALGEBRAAPPLIED MATHEMATICSBOUNDARY VALUESDIFFERENTIAL EQUATIONMATHEMATICSPERTURBATION Dewey Class. No.: 515.392 / SHI