Esν2⁢m+1⁡(z1,k2)⁢ⅆ⁡w2⁡(z)/ⅆ⁡z|z=K+ⅆ⁡w2⁡(z)/ⅆ⁡z|z=-Kⅆ⁡w2⁡(z)/ⅆ⁡z|z=0=k2k′⁢cn⁡(z1,k)⁢∫-KKcn⁡(z,k)⁢ⅆ⁡Pν⁡(y)ⅆ⁡y⁢Esν2⁢m+1⁡(z,k2)⁢ⅆ⁡z,