\[\dfrac{\sinh z}{\pi^{2}}\int_{0}^{2\pi}\dfrac{\cos t\operatorname{ce}_{n}\left%
(t,h^{2}\right)\operatorname{ce}_{m}\left(t,h^{2}\right)}{{\sinh}^{2}z+{\sin}^%
{2}t}\,\mathrm{d}t=(-1)^{p+1}\mathrm{i}h\widehat{\alpha}_{n,m}^{(c)}%
\operatorname{Dc}_{0}\left(n,m,z\right),\]