@article{10_4064_aa_53_3_289_307,
     author = {Michel Waldschmidt and Peter Bundschuh},
     title = {Irrationality results for theta functions by {Gel'fond-Schneider's} method},
     journal = {Acta Arithmetica},
     pages = {289--307},
     publisher = {mathdoc},
     volume = {53},
     number = {3},
     year = {1989},
     doi = {10.4064/aa-53-3-289-307},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-53-3-289-307/}
}