Percolation probabilities on the square lattice by P. D. Seymour and D. J. A. Welsh (source code)

= Percolation probabilities on the square lattice by P. D. Seymour and D. J. A. Welsh
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{tag=Work by P. D. Seymour}
{tag=Work by D. J. A. Welsh}
{title2=1978}

By <P. D. Seymour>, <D. J. A. Welsh>.

https://cse.buffalo.edu/~regan/DJAW/SeymourWelsh1978.pdf

Annals of Discrete Mathematics 3, 227–245; DOI: 10.1016/S0167-5060(08)70509-0. Sections 4–5 and Lemmas 5.2–5.4.