@article{IM_1992__107_1_143977,
     author = {Oded Schramm},
     title = {How to cage an egg.},
     journal = {Inventiones mathematicae},
     pages = {543--560},
     publisher = {mathdoc},
     volume = {107},
     number = {1},
     year = {1992},
     zbl = {0726.52003},
     url = {http://geodesic.mathdoc.fr/item/IM_1992__107_1_143977/}
}