@techreport{cupe2008descomposiciondual,
author = "E. Cupé",
title = "Descomposición dual del R2 en modelos de regresión lineal",
year = 2008,
volume = 1,
institution = "Universidad Privada Boliviana",
number = 8,
pages = "5-22",
url = "http://www.upb.edu/revista-investigacion-desarrollo/index.php/id/article/view/83/230"
}