Voir la notice de l'article provenant de la source Analele Stiintifice ale Universitatii Ovidius Constanta website
@article{ASUO_2002_X_1_a5, author = {T. Glavosits and A. Szaz }, title = {Pointwise and global sums and negatives of binary relations}, journal = {Analele Universit\u{a}\c{t}ii "Ovidius" Constan\c{t}a Seria Matematic\u{a}}, publisher = {mathdoc}, volume = {X}, number = {1}, year = {2002}, url = {http://geodesic.mathdoc.fr/item/ASUO_2002_X_1_a5/} }
T. Glavosits; A. Szaz . Pointwise and global sums and negatives of binary relations. Analele Universităţii "Ovidius" Constanţa Seria Matematică, X (2002) no. 1. http://geodesic.mathdoc.fr/item/ASUO_2002_X_1_a5/