TY  - JOUR
AU  - Reinhard Brocks
TI  - Comparison Theory of Distance Spheres along Geodesics
JO  - Documenta mathematica
PY  - 2020
SP  - 2241
EP  - 2302
VL  - 25
UR  - http://geodesic.mathdoc.fr/articles/10.4171/dm/798/
DO  - 10.4171/dm/798
ID  - 10_4171_dm_798
ER  -