00287nam a2200097Ia 4500008004100000020001800041245005000059250000800109260004800117300002400165250404b        |||||||| |||| 00| 0 eng d  a9781783265527  aIntroduction to the calculus of variationsb/  a3rd  a New Jersey:bImperial College Press,c2015  a 311p. Bibl. Index.