TY - BOOK AU - Andreescu,Titu TI - Mathematical reflections SN - 0979926920 AV - QA43 M3745 PY - 2011///- CY - Plano, Texas PB - XYZ Press KW - Matemáticas KW - Problemas, ejercicios, etc N1 - The first two years -- The next two years (2008-2009) -- Two more years (2010-2011) -- Two great years (2012-2013) / Titu Andreescu, Cosmin Pohoata, editors -- Two special years (2014-2015) -- Two wonderful years (2016-2017) -- Two beautiful years (2018-2019) -- Two beautiful years (2020-2021) ER -