TY - BOOK AU - Bradley,Christopher J. TI - Challenges in geometry: for mathematical Olympians past and present SN - 0198566921 (rĂºstica) AV - QA555 B73 U1 - 516/.0076 22 PY - 2005/// CY - Oxford PB - Oxford University Press KW - GeometrĂ­a KW - Problemas, ejercicios, etc ER -