TY  - DATA
AU  - Norman L. Alling
AU  -  Newcomb Greenleaf
TI  - Foundations of the Theory of Klein Surfaces
T2  - Lecture Notes in Mathematics
SN  - 9783540368854
PY  - 1971///
CY  - Heidelberg
PB  - Springer Berlin
KW  - Mathematics and Statistics
UR  - https://doi.org/10.1007/BFb0060987
ER  -