@article{10_4064__41_1_221_232, author = {N. Woodhouse}, title = {Integrability and {Einstein's} equations}, journal = {Banach Center Publications}, pages = {221--232}, publisher = {mathdoc}, volume = {41}, number = {1}, year = {1997}, doi = {10.4064/-41-1-221-232}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/-41-1-221-232/} }