1. Exact low-order polynomial expressions to compute the Kolmogoroff–Nagumo mean in the affine symplectic group of optical transference matrices. Issue 4 (3rd April 2017) Authors: Fiori, Simone; Prifti, Stilian Journal: Linear & multilinear algebra Issue: Volume 65:Issue 4(2017) Page Start: 840 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗