| body | --uriencoded--$$ \normalsize \begin%7Bcases%7D N_0(u, v, w) = u (2u-1) \\ N_1(u, v, w) = v (2v-1) \\ N_2(u, v, w) = w (2w-1) \\ N_3(u, v, w) = t (2t-1) \\ N_4(u, v, w) = 4 \, v \, w \\ N_5(u, v, w) = 4 \, u \, w \\ N_6(u, v, w) = 4 \, u \, v \\ N_7(u, v, w) = 4 \, u \, t \\ N_8(u, v, w) = 4 \, v \, t \\ N_9(u, v, w) = 4 \, w \, t \\ \end%7Bcases%7D \qquad \qquad \qquad \qquad \qquad \qquad \qquad \qquad \qquad \qquad \qquad \qquad (11) \\ \text%7Bile;%7D \qquad t= 1-u-v-w $$ |
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