@article{00691569,
title = {Abelian nondiscrete convergence groups in the plane.},
journal = {Annales Academiae Scientiarum Fennicae. Mathematica},
volume = {19},
year = {1994},
pages = {205-246},
zbl = {0824.30008},
language = {en},
url = {http://dml.mathdoc.fr/item/00691569}
}
Hinkkanen, A.; Martin, G.J. Abelian nondiscrete convergence groups in the plane.. Annales Academiae Scientiarum Fennicae. Mathematica, Tome 19 (1994) pp. 205-246. http://gdmltest.u-ga.fr/item/00691569/