TY  - BOOK
AU  - Bachmann,Friedrich
AU  - Schmidt,Eckart
TI  - N-gons
SN  - 0802018432
AV  - QA482 .B313
PY  - 1975///]
CY  - Toronto, Buffalo
PB  - University of Toronto Press
KW  - Polygons
KW  - Set theory
N1  - Translation of n-Ecke; Includes bibliographical references and index
ER  -