A Banach-Mazur Computable But Not Markov Computable Function on the Computable Real Numbers.

Peter Hertling A Banach-Mazur Computable But Not Markov Computable Function on the Computable Real Numbers. 962-972 2002 conf/icalp/2002 ICALP http://dx.doi.org/10.1007/3-540-45465-9_82 db/conf/icalp/icalp2002.html#Hertling02