@article{01667779,
title = {An explanatory bijection of some properties of bridges. (Une bijection explicative de plusieurs propri\'et\'es de ponts.)},
journal = {S\'eminaire Lotharingien de Combinatoire [electronic only]},
volume = {18},
year = {1987},
zbl = {0978.05513},
language = {en},
url = {http://dml.mathdoc.fr/item/01667779}
}
Kreweras, Germain. An explanatory bijection of some properties of bridges. (Une bijection explicative de plusieurs propriétés de ponts.). Séminaire Lotharingien de Combinatoire [electronic only], Tome 18 (1987) . http://gdmltest.u-ga.fr/item/01667779/