Kupeli, D.N.. "On Existence and Comparison of Conjugate Points in Riemannian and Lorentzian Geometry.." Mathematische Annalen 276 (1986): 67-80. <http://eudml.org/doc/164184>.
@article{Kupeli1986, author = {Kupeli, D.N.}, journal = {Mathematische Annalen}, keywords = {timelike geodesics; conjugate points; oscillation theory of linear differential equations; Myers theorem; Ambrose theorem; comparison theorems; null geodesic}, pages = {67-80}, title = {On Existence and Comparison of Conjugate Points in Riemannian and Lorentzian Geometry.}, url = {http://eudml.org/doc/164184}, volume = {276}, year = {1986}, }
TY - JOUR AU - Kupeli, D.N. TI - On Existence and Comparison of Conjugate Points in Riemannian and Lorentzian Geometry. JO - Mathematische Annalen PY - 1986 VL - 276 SP - 67 EP - 80 KW - timelike geodesics; conjugate points; oscillation theory of linear differential equations; Myers theorem; Ambrose theorem; comparison theorems; null geodesic UR - http://eudml.org/doc/164184 ER -