TY  - JOUR
A1  - Sitter, Willem de
T1  - The astronomical aspect of the theory of relativity
T2  - University of California publications in mathematics
Y1  - 2010
UR  - http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/13834
UR  - https://nbn-resolving.org/urn:nbn:de:hebis:30-1143880
N1  - Willem de Sitter (1872-1934) ; Signatur: 4 B 16.91/23
VL  - 2
IS  - 8
SP  - 143
EP  - 196
PB  - Berkley, Calif.
CY  - Univ. of California Press
ER  -