Michele Mulazzani, \emph{An intrinsic characterization of $p$-symmetric Heegaard splittings}, Proceedings of the Ninth Prague Topological Symposium (Prague, 2001), Topology Atlas, Toronto, 2002, pp. 217--222. arXiv:math.GT/0112231 @incollection {math.GT/0112231, author = {Mulazzani, Michele}, title = {An intrinsic characterization of $p$-symmetric {H}eegaard splittings}, pages = {217--222}, booktitle = {Proceedings of the Ninth Topological Symposium (Prague, 2001)}, publisher = {Topology Atlas}, address = {Toronto}, year = {2002}, editor = {Petr Simon}, arxivnumber = {math.GT/0112231}, note = {arXiv:math.GT/0112231}, mrclass = {57M12 57R65 (20F05 57M05 57M25)}, }