@article{701208, title = {Open relations}, booktitle = {Abstracta. 8th Winter School on Abstract Analysis}, series = {GDML\_Books}, publisher = {Czechoslovak Academy of Sciences}, address = {Praha}, year = {1980}, pages = {199-202}, url = {http://dml.mathdoc.fr/item/701208} }
Wilhelm, M. Open relations, dans Abstracta. 8th Winter School on Abstract Analysis, GDML_Books, (1980), pp. 199-202. http://gdmltest.u-ga.fr/item/701208/