Formula_14988

\[l\left(x, \gamma f(\tau, x), \gamma \frac{\delta}{h} \frac{\partial S}{\partial x} \frac{\partial f(\tau, x)}{\partial \tau}, \ldots, \gamma\left(\frac{\delta}{h}\right)^{|m|}\left(\frac{\partial S}{\partial x}\right)^{m} \frac{\partial^{|m|} f(\tau, x)}{\partial \tau^{|m|}}, \delta, h\right)\]