00293    a2200133   4500082001800000100001400018245001300032260004200045300001700087650001600104650001300120650001400133650001200147  a512.9434bGUP  aGupta, R.  aMatrices  aNew DelhibLaxmi publicationsc19g19  a244p.c21cm.  aMathematics  aMatrices  aEquations  aAlgebra