@article{01873751,
title = {A percolation formula.},
journal = {Electronic Communications in Probability [electronic only]},
volume = {6},
year = {2001},
pages = {115-120},
zbl = {1008.60100},
language = {en},
url = {http://dml.mathdoc.fr/item/01873751}
}
Schramm, Oded. A percolation formula.. Electronic Communications in Probability [electronic only], Tome 6 (2001) pp. 115-120. http://gdmltest.u-ga.fr/item/01873751/