@article{JRAM_1990__406_153224, author = {J. Peetre and S. Janson and J. Arazy and S.D. Fisher}, title = {An identity for reproducing kernels in a planar domain and {Hilbert-Schmidt} {Hankel} operators.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {179--199}, publisher = {mathdoc}, volume = {406}, year = {1990}, zbl = {0686.47023}, url = {http://geodesic.mathdoc.fr/item/JRAM_1990__406_153224/} }