On Conjugate and Focal Points in Semi-Riemannian Geometry.
Kupeli, Demir N.
Mathematische Zeitschrift, Tome 199 (1988), p. 569-590 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1988-01-01
EUDML-ID : urn:eudml:doc:173944 
@article{GDZPPN002435187,
     title = {On Conjugate and Focal Points in Semi-Riemannian Geometry.},
     journal = {Mathematische Zeitschrift},
     volume = {199},
     year = {1988},
     pages = {569-590},
     zbl = {0658.53059},
     url = {http://dml.mathdoc.fr/item/GDZPPN002435187}
}

Kupeli, Demir N. On Conjugate and Focal Points in Semi-Riemannian Geometry.. Mathematische Zeitschrift, Tome 199 (1988) pp. 569-590. http://gdmltest.u-ga.fr/item/GDZPPN002435187/