Yuri L. Fateev, Vladimir V. Shaidurov, Evgeny N. Garin, Dmitry D. Dmitriev, Valeriy N. Tyapkin, “Probability distribution functions of the sum of squares of random variables in the non-zero mathematical expectations”, Журн. СФУ. Сер. Матем. и физ., 9:2 (2016), 173–179
