@article{02201538, title = {Discrete orthogonality of Zernike functions.}, journal = {Mathematica Pannonica}, volume = {16}, year = {2005}, pages = {137-144}, zbl = {1082.42019}, language = {en}, url = {http://dml.mathdoc.fr/item/02201538} }
Pap, Margit; Schipp, Ferenc. Discrete orthogonality of Zernike functions.. Mathematica Pannonica, Tome 16 (2005) pp. 137-144. http://gdmltest.u-ga.fr/item/02201538/