TY  - JOUR
AU  - Im Hof, Hans-Christoph
TI  - Ellipsoids and hyperboloids with infinite foci
JO  - Compositio Mathematica
PY  - 1984
SP  - 231
EP  - 244
VL  - 52
IS  - 2
PB  - Martinus Nijhoff Publishers
UR  - http://www.numdam.org/item/CM_1984__52_2_231_0/
LA  - en
ID  - CM_1984__52_2_231_0
ER  -