@article{ASUO_2001_IX_2_a17, author = {C. Volf}, title = {Fuzzy subfields}, journal = {Analele Universit\u{a}\c{t}ii "Ovidius" Constan\c{t}a Seria Matematic\u{a}}, year = {2001}, volume = {IX}, number = {2}, url = {http://geodesic.mathdoc.fr/item/ASUO_2001_IX_2_a17/} }