@article{GDZPPN002065606, title = {Earthquakes are analytic.}, journal = {Commentarii mathematici Helvetici}, volume = {60}, year = {1985}, pages = {17-30}, zbl = {0575.32024}, url = {http://dml.mathdoc.fr/item/GDZPPN002065606} }
Kerckhoff, Steven P. Earthquakes are analytic.. Commentarii mathematici Helvetici, Tome 60 (1985) pp. 17-30. http://gdmltest.u-ga.fr/item/GDZPPN002065606/