Diederich, K., Fornæss, J.E. and Vassiliadou, S. 2003. Local $L^2$ results for $\overline{\partial}$ on a singular surface. MATHEMATICA SCANDINAVICA. 92, 2 (Jun. 2003), 269–294. DOI:https://doi.org/10.7146/math.scand.a-14405.