This is a preview. Log in through your library . Abstract In the paper, by virtue of convolution theorem for the Laplace transforms, Bernstein’s theorem for completely monotonic functions, some ...

Partial derivatives of production functions are necessary in many instances to characterize the technology of firms. We present here a general method to recover the first derivatives of the production ...

Moreover, Abdel aziz et al. 1, 5 reported that the effect of sildenafil, verdenafil and tadalafil are partially mediated via upregulation of HO enzyme activity and cGMP and their effect is partially ...