%0 Journal Article %A Tsuzuki, Nobuo %T The overconvergence of morphisms of etale $\varphi -\Delta $-spaces on a local field %J Compositio Mathematica %D 1996 %P 227-239 %V 103 %N 2 %I Kluwer Academic Publishers %U http://archive.numdam.org/item/CM_1996__103_2_227_0/ %G en %F CM_1996__103_2_227_0