00374    a2200133   4500020001500000082001600015100001800031245006100049260005100110300002300161650001600184650002700200650001300227  a8173196060  a515.64bKUR  aKumar, Naveen  aAn elementary course on variational problems in calculus  aNew DelhibNarosa publishing housec2005g2005  aviii, 131p.c24cm.  aMathematics  aCalculus of variations  aAnalysis