@Inproceedings{EPTCS127.1, author = {Aschieri, Federico}, year = {2013}, title = {Strong Normalization for HA + EM1 by Non-Deterministic Choice}, editor = {de'Liguoro, Ugo and Saurin, Alexis}, booktitle = {{\rm Proceedings First Workshop on} Control Operators and their Semantics, {\rm Eindhoven, The Netherlands, June 24-25, 2013 }}, series = {Electronic Proceedings in Theoretical Computer Science}, volume = {127}, publisher = {Open Publishing Association}, pages = {1-14}, doi = {10.4204/EPTCS.127.1}, }