TY  - BOOK
AU  - Croft, Hallard T.,
AU  - Falconer,K.J.
AU  - Guy,Richard K.
TI  - Unsolved problems in geometry
T2  - Unsolved problems in intuitive mathematics
SN  - 0387975063
AV  - QA43 C54
PY  - 1991///
CY  - New York
PB  - Springer Verlag
KW  - Geometría
ER  -