00853nam a2200253 i 450099100084111970753620020507102149.0960314s1962 us ||| | eng b10137063-39ule_instLE00637754ExLDip.to Fisicaita510.49QA315Elsgolc, L.461283Calculus of variations /L. ElsgolcCambridge, MA :Addison-Wesley Publ. Co.,1962178 p. :ill. ;23 cm.Calculus of variations.b1013706321-09-0627-06-02991000841119707536LE006 510.49 ELS12006000023016le006-E0.00-l- 00000.i1016178827-06-02Calculus of variations185625UNISALENTOle00601-01-96ma -engus 01