01200nam0-2200397-i-450-99000879343040332120090506123803.0978-1-58488-459-0000879343FED01000879343(Aleph)000879343FED0100087934320090119d2008----km-y0itay50------baengUSa-------001yyDifference methods for singular pertubation problemsG. I. Shishkin, Lidia P. ShishkinaBoca RatonChapman & Hallc2008xiv, 393 p.24 cmChapman & Hall/CRC monographs and surveys in pure and applied mathematics140Perturbazione (matematica)Algebra astratta515.3922Shishkin,Grigory I.504486Shishkina,Lidia P.504487ITUNINARICAUNIMARCBK990008793430403321C-18-(14023541MA102 44 E 348569FINBNMA1FINBN34E2034MXXDifference methods for singular pertubation problems808358UNINA