00540nam a2200205 a 450000500170000002000180001708200150003510000240005010000220007424500450009626000430014130000260018449000410021050000190025160000080027063000160027863000280029485600060032285600060032820251203114825.0  a9789386279637  a512.2bSIN  aSinha, Kalyan B.d_  aSrivastava, Sachi  aTheory of semigroups and applicationsb_  aNew DelhibHindustan Book Agencyc2016  ax, 167 p.c24 cm.bHB  aTexts and readings in mathematics 74  aIncludes index  bc_  aMathematics  aGroups and Group theory  f_  a_