Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{CMH_1979__54_139808, author = {Hans-Christoph Im Hof and P.E. Ehrlich}, title = {Dirichlet regions in manifolds without conjugate points.}, journal = {Commentarii mathematici Helvetici}, pages = {642--658}, publisher = {mathdoc}, volume = {54}, year = {1979}, zbl = {0419.53025}, url = {http://geodesic.mathdoc.fr/item/CMH_1979__54_139808/} }
Hans-Christoph Im Hof; P.E. Ehrlich. Dirichlet regions in manifolds without conjugate points.. Commentarii mathematici Helvetici, Tome 54 (1979), pp. 642-658. http://geodesic.mathdoc.fr/item/CMH_1979__54_139808/