000 00472nam a2200109Ia 4500
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020 _a082181690X
245 0 _aTopological degree methods in nolinear boundary value problems
_cMawhin, J.
260 _aProvidence, R.I. :
_bPublished for the Conference Board of the Mathematical Sciences by the American Mathematical Society,
_c1979
300 _av, 122 p. ;
_c26 cm.
490 _aRegional conference series in mathematics ;
_vno. 40
999 _c2151
_d2151