TY  - BOOK
AU  - K. E. Aubert and W. Ljunggren.
AU  - Aubert,Karl Egil
AU  - Ljunggren,Wilhelm
TI  - Proceedings of the 15th Scandinavian Congress, Oslo, 1968
T2  - Lecture notes in mathematics
PY  - 1970///
CY  - Berlin, New York
PB  - Springer-Verlag
KW  - Mathematics
KW  - Congresses
N1  - Includes bibliographical references
ER  -