000 00353nam a22001337a 4500
003 NG-AbAUS
008 160825b xxu||||| |||| 00| 0 eng d
082 _a515 L5222
100 _aLefschetz Solomon
_9896
245 _aDifferential equations: geometry theory
260 _aNew York
_bDover publications
_c1977
300 _a389
_bIndex
942 _2ddc
_cBK
999 _c3687
_d3687