γ^n,m=12⁢π⁢∫02⁢πsen′⁡(t,h2)⁢cem⁡(t,h2)⁢ⅆ⁡t=(-1)p+1⁢4ⅈ⁢π⁢sen′⁡(0,h2)⁢cem⁡(0,h2)Dsc1⁡(n,m,0).