Computation of aberration coefficients for plane-symmetric reflective optical systems using Lie algebraic methodsAntonio Barion, Martijn J. H. Anthonissen, Jan H. M. ten Thije Boonkkamp and Wilbert L. IJzermanEPJ Web Conf., 266 (2022) 02002DOI: https://doi.org/10.1051/epjconf/202226602002