00426nam a2200133Ia 4500008004100000020001800041082002000059100002300079245005200102250000800154260006000162300002800222490004200250250404b        |||||||| |||| 00| 0 eng d  a9780387357799  a515.64bD118.DM  aDacorogna, Bernard  aDirect methods in the calculus of variationsb/  a2nd  aNew York:bSpringer Science+Business Media, Inc.,c2008  axii, 619p. Bibl. Index.  aApplied Mathematical Sciences vV. 78