Communications of the Korean Mathematical Society (대한수학회논문집)

Korean Mathematical Society (대한수학회)
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A FOCAL COMPARISON THEOREM FOR NULL GEODESICS

  • EHRLICH, PAUL E. (Department of Mathematics, 201 Walker Hall University of Florida) ;
  • KIM, SEON-BU (Department of Mathematics Chonnam National University)
  • Received : 1990.11.15
  • Published : 1991.04.30
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Abstract

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Acknowledgement

Supported by : Ministry of Education