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Existence of Closed Solutions of an Equationẋ = f(t, x), wherefx′(t, x) is Weakly Convex or Concave inx
Kurt Munk Andersen, Allan SandqvistVolume:
229
Year:
1999
Language:
english
Pages:
21
DOI:
10.1006/jmaa.1998.6171
File:
PDF, 146 KB
english, 1999