Gray, Robert W Wavefront aberration function in terms of R. V. Shack's vector product and Zernike polynomial vectors. [electronic resource] - Journal of the Optical Society of America. A, Optics, image science, and vision Oct 2015 - 1836-47 p. digital Publication Type: Journal Article ISSN: 1520-8532 Standard No.: 10.1364/JOSAA.32.001836 doi