@article{3579, author = {Edelsbrunner, Herbert and Jaromczyk, Jerzy}, issn = {0384-9864}, journal = {Congressus Numerantium}, pages = {193 -- 200}, publisher = {Utilitas Mathemtica Publ. Inc.}, title = {{How often can you see yourself in a convex configuration of mirrors?}}, volume = {53}, year = {1986}, }