@article{SMZ_2006__47_6_54780,
     author = {Ulyanov, V.V. and Christoph, Gerd and Fujikoshi, Yasunori},
     title = {On approximations of transformed chi-squared distributions in statistical applications.},
     journal = {Sibirskij Matematicheskij Zhurnal},
     pages = {1401},
     publisher = {mathdoc},
     volume = {47},
     number = {6},
     year = {2006},
     zbl = {1150.62314},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/SMZ_2006__47_6_54780/}
}