@article{10_4064_aa_61_2_101_118,
     author = {Antone Costa},
     title = {Modular forms and class number congruences},
     journal = {Acta Arithmetica},
     pages = {101--118},
     publisher = {mathdoc},
     volume = {61},
     number = {2},
     year = {1992},
     doi = {10.4064/aa-61-2-101-118},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-61-2-101-118/}
}