TY  - DATA
AU  - Gronau, Hans-Dietrich., editor.
TI  - 50th IMO - 50 Years of International Mathematical Olympiads
SN  - 9783642145650, 978-3-642-14565-0
U1  - 510, 
PY  - 2011///
CY  - Berlin, Heidelberg
PB  - Springer Berlin Heidelberg
KW  - Mathematics, general
KW  - Mathematics
N1  - Mathematics and Statistics (Springer-11649)
UR  - http://dx.doi.org/10.1007/978-3-642-14565-0
ER  -