w1⁢(z)=ⅇb⁢π⁢ⅈ⁢Γ⁡(c)⁢Γ⁡(a-c+1)Γ⁡(a+b-c+1)⁢Γ⁡(c-b)⁢w3⁢(z)+ⅇ(b-c)⁢π⁢ⅈ⁢Γ⁡(c)⁢Γ⁡(a-c+1)Γ⁡(b)⁢Γ⁡(a-b+1)⁢w5⁢(z),