TY - JOUR AU - Vichian Laohakosol AU - Narakorn Rompurk TI - A characterization of rational elements by Lüroth-type series expansions in the $p$-adic number field and in the field of Laurent series over a finite field JO - Acta Arithmetica PY - 2006 SP - 195 EP - 205 VL - 122 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa122-2-4/ DO - 10.4064/aa122-2-4 LA - en ID - 10_4064_aa122_2_4 ER -