%0 Journal Article %A F. J. Herrera Govantes %A W. Mahboub %A M. A. Olalla Acosta, %A M. Spivakovsky %T Key polynomials for simple extensions of valued fields %J Journal of Singularities %D 2022 %P 197-267 %V 25 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.5427/jsing.2022.25k/ %R 10.5427/jsing.2022.25k %F 10_5427_jsing_2022_25k