On my book there is the following result:
$$z[n]=x[n]y[n]$$
$$Z(f)=T \int_{-1/2T}^{1/2T}{X(v)Y(v-f)dv}$$
I don't understand if ($*$=convolution):
$$Z(f)=TX(f)*Y(f)$$
or:
$$Z(f)=X(f)*Y(f)$$
Can you show me the right result please?
Thank you in advance.