@article{10_4064_aa_60_4_335_347,
     author = {Masayoshi Hata},
     title = {Irrationality measures of the values of hypergeometric functions},
     journal = {Acta Arithmetica},
     pages = {335--347},
     publisher = {mathdoc},
     volume = {60},
     number = {4},
     year = {1991},
     doi = {10.4064/aa-60-4-335-347},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-60-4-335-347/}
}