%0 Journal Article %A Roger B. Nelsen %A Manuel Úbeda Flores %T The lattice-theoretic structure of sets of bivariate copulas and quasi-copulas %J Comptes Rendus. Mathématique %D 2005 %P 583-586 %V 341 %N 9 %I Elsevier %R 10.1016/j.crma.2005.09.026 %G en %F CRMATH_2005__341_9_583_0