@article{10_4064_aa_32_2_183_205,
     author = {Manchar Madan and Daniel Madden},
     title = {The exponent of class groups on congruence function fields},
     journal = {Acta Arithmetica},
     pages = {183--205},
     publisher = {mathdoc},
     volume = {32},
     number = {2},
     year = {1977},
     doi = {10.4064/aa-32-2-183-205},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-32-2-183-205/}
}