TY - DATA AU - Andreescu, Titu., author. TI - 103 Trigonometry Problems SN - 9780817644321, 978-0-8176-4432-1 U1 - 512, PY - 2005/// CY - Boston, MA PB - Birkhäuser Boston KW - Mathematics, general KW - Algebra KW - Geometry KW - Mathematics N1 - Mathematics and Statistics (Springer-11649) UR - http://dx.doi.org/10.1007/b139082 ER -