000 00000nam a2200000 a 4500
005 20251203090945.0
020 _a0124547508
082 _a515.64
_bLOG
100 _aLogan, John David
245 _aInvariant variational principles
260 _aNew York
_bAcademic press
_c1977
300 _axv, 172p.
_b22 cm.
_cHB.
490 _aMathematics in science and engineering series
_d138
630 _aCalculus of variations
964 _bEng
_c100
_d
_e010
_f
_g_
997 _a34646 LIBSC C
999 _c24794
_d24794