@article{10_4064_aa_68_2_141_144,
     author = {Maohua Le},
     title = {Upper bounds for class numbers of real quadratic fields},
     journal = {Acta Arithmetica},
     pages = {141--144},
     publisher = {mathdoc},
     volume = {68},
     number = {2},
     year = {1994},
     doi = {10.4064/aa-68-2-141-144},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-68-2-141-144/}
}