000 00415pam a2200157a 44500
082 _a517.38
_bL52d
100 _aLefschetz, Solomon
245 1 _aDIFFERENTIAL EQUATIONS
_cGEOMERIC THEORY
260 _aN. Y.
_bInterscience Publishers
_c1957
300 _a364
440 _aPure And Applied Mathematics, V. 6
_v
650 _aDifferential Equations
650 _aTopology
964 _gCIRC
997 _a23988 C
999 _c428924
_d428924