Covering homotopy 3-spheres.

@article{Piergallini1992,
author = {Piergallini, R.},
journal = {Commentarii mathematici Helvetici},
keywords = {homotopy 3-sphere; simple 3-fold branched covering; Heegaard genus; Poincaré conjecture},
number = {2},
pages = {287-292},
title = {Covering homotopy 3-spheres.},
url = {http://eudml.org/doc/140269},
volume = {67},
year = {1992},
}

TY - JOUR
AU - Piergallini, R.
TI - Covering homotopy 3-spheres.
JO - Commentarii mathematici Helvetici
PY - 1992
VL - 67
IS - 2
SP - 287
EP - 292
KW - homotopy 3-sphere; simple 3-fold branched covering; Heegaard genus; Poincaré conjecture
UR - http://eudml.org/doc/140269
ER -