00342nam a2200145Ia 4500003000500000008004100005020001000046040000900056041001200065082002100077100001600098245005700114260000900171650001600180NDCL180829s9999||||ii |||||||||||||| ||eng||  a11897  aNDCL  aEnglish  a517 GAS216th ed  aGupta, A.S. 0aCalculus of variations with applicationscA.S. Gupta  c2006  aMathematics