Constitutive equation umat!

dear all&#65307,

I have a constitutive equation.&#963,=K*(&#949,^m)*(&#275,^n)*exp&#65288,&#946,/T) &#12304,&#275, is strain state,T is temperature&#65307,K,m,n,&#946,-material parameters&#12305,.How can I build my theory-framework before coding UMAT.