@article{bwmeta1.element.desklight-9ce6271a-9027-4c38-a130-25f242e035c1,
author = {M. Skwarczy\'nski},
title = {The punctured plane: alternating projections and $L^2$-angles},
journal = {Annales Polonici Mathematici},
volume = {55},
year = {1991},
pages = {293-301},
zbl = {0722.30040},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.desklight-9ce6271a-9027-4c38-a130-25f242e035c1}
}
M. Skwarczyński. The punctured plane: alternating projections and $L^2$-angles. Annales Polonici Mathematici, Tome 55 (1991) pp. 293-301. http://gdmltest.u-ga.fr/item/bwmeta1.element.desklight-9ce6271a-9027-4c38-a130-25f242e035c1/