00598nam a2200181 a 450000500170000002000150001708200160003210000130004824500780006126000430013930000240018249000440020669000440025096400160029499700190031099900170032995200700034620251203110609.0  a8585931380  a512.72bSUR  aSury, B.  aCongruence Subgroup ProblembAn Elementary Approach aimed at applications  aNew DelhibHinudstan Book Agencyc2003  axv,301p.c24 cm. HB  aTexts and Readings in Mathematicsdv.24  aCongruence subgroup-elementary approach  bcdefg_  a112898 LIBSC C  c95752d95752  00104070aPUbPUd2005-06-02g280.00l0o512.72 SURp112898yBK