@article{RSMUP_1986__75__257_0, author = {Alexandru, Victor and Popescu, Nicolae}, title = {On subfields of $k(x)$}, journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova}, volume = {76}, year = {1986}, pages = {257-273}, mrnumber = {847671}, zbl = {0596.12027}, language = {en}, url = {http://dml.mathdoc.fr/item/RSMUP_1986__75__257_0} }
Alexandru, Victor; Popescu, Nicolae. On subfields of $k(x)$. Rendiconti del Seminario Matematico della Università di Padova, Tome 76 (1986) pp. 257-273. http://gdmltest.u-ga.fr/item/RSMUP_1986__75__257_0/
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