Zsolt Németh Ferenc Schipp Ferenc Weisz Hyperbolic Transformations of Zernike Functions and Coefficients. 380-387 2019 EUROCAST (2) https://doi.org/10.1007/978-3-030-45096-0_47 conf/eurocast/2019-2 db/conf/eurocast/eurocast2019-2.html#NemethSW19