00429nam a2200121   4500020002400000082001300024100003200037245002700069260004500096300002800141500003700169650010100206  a9788173195921 (pbk)  a512bLUT  aLuthar, I.S.aPassi, I.B.S.  aAlgebra bfield theory  aNew DelhibNarosa Publishing Housec2017  a296 p.b: ill.c; 24 cm  aIncludes bibliography and index.  aAlgebraaMathematicsvRing extensions (Algebra)vField theoryvDerivations vGalois theoryvFBSH