TY  - BOOK
AU  - Francis, George K
AU  - 
TI  - (A) Topological picture book
U1  - 515.1 
PY  - 1987///
CY  - New York
PB  - Springer-Verlag
KW  - Topology
KW  - Set theory
KW  - Mathematics
KW  - Number theory
KW  - Group theory
KW  - Mathematical sciences
ER  -