View source for Strong derivative/Infobox

{{Infobox
|title=Strong derivative
|above=<span style="font-size:1.25em;">{{MM|1=\lim_{h\rightarrow 0}\left(\frac{f(x_0+h)-f(x_0)}{\Vert h\Vert_X}\right)}}</span><br/>For two [[normed space|normed spaces]] {{M|(X,\Vert\cdot\Vert_X)}} and {{M|(Y,\Vert\cdot\Vert_Y)}} and a [[mapping]] {{M|T:U\rightarrow Y}} for {{M|U}} some [[open set]] in {{M|X}}
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[[Category:Infoboxes]]
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