Translations:Inverse filters/27/es

${\begin{aligned}y_{3}={\frac {1}{c}}x_{4}-{\frac {1}{c^{2}}}x_{5}+{\frac {1}{c^{3}}}x_{6}-{\frac {1}{c^{4}}}x_{7}+{\frac {1}{c^{5}}}x_{8}-\dots \end{aligned}}$

(50)