αν,m(1)=12⁢π⁢∫02⁢πsin⁡t⁢meν⁡(t,h2)⁢me-ν-2⁢m-1⁡(t,h2)⁢ⅆ⁡t=(-1)m+1⁢2⁢ⅈπ⁢meν′⁡(0,h2)⁢me-ν-2⁢m-1⁡(0,h2)h⁢D1⁡(ν,ν+2⁢m+1,0).