@article{10_1090_S0894_0347_2010_00680_7,
     author = {Hida, Haruzo},
     title = {Hecke fields of analytic families of modular forms},
     journal = {Journal of the American Mathematical Society},
     pages = {51--80},
     publisher = {mathdoc},
     volume = {24},
     number = {1},
     year = {2011},
     doi = {10.1090/S0894-0347-2010-00680-7},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-2010-00680-7/}
}