Joos Heintz Teresa Krick Marie-Françoise Roy Pablo Solernó Geometric Problems Solvable in Single Exponential Time. 11-23 1990 conf/aaecc/1990 AAECC db/conf/aaecc/aaecc1990.html#HeintzKRS90 http://dx.doi.org/10.1007/3-540-54195-0_35