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2. M.S. Woronowicz, in Proceedings of the 30th International Symposium on Rarefied Gas Dynamics, American Institute of Physics, Melville, NY, 2016, pp. 170002-1–170002-8.
3. M.S. Woronowicz, New Mathematical Functions for Vacuum System Analysis, NASA CR-2017-219017, 2017.
4. M.S. Woronowicz, Some General Properties for a Newly Discovered Class of Mathematical Functions, NASA CR-2018-219028, 2018.
5. Collisionless expansion of gases into vacuum