@article{02221886,
title = {Degree one maps between small 3-manifolds and Heegaard genus.},
journal = {Geometry \& Topology},
volume = {5},
year = {2005},
pages = {1433-1450},
doi = {10.2140/agt.2005.5.1433},
zbl = {1084.57016},
language = {en},
url = {http://dml.mathdoc.fr/item/02221886}
}
Boileau, Michel; Wang, Shicheng. Degree one maps between small 3-manifolds and Heegaard genus.. Geometry & Topology, Tome 5 (2005) pp. 1433-1450. doi : 10.2140/agt.2005.5.1433. http://gdmltest.u-ga.fr/item/02221886/