On the maximum of the vertical fall velocity of a homogeneous sphere whose radius changes by the exponential law [Текст] / V. P. Olshanskyi, S. V. Olshanskyi //
Journal of Engineering Physics and Thermophysics. - 2009. - Т. 82, № 4. - С. 728-733.. Доп. точки доступа: Olshanskyi, S. V.