1 Erratum to: J Math Chem DOI 10.1007/s10910-016-0617-8

Unfortunately, the original version of this article contained an error in the right-hand side expression of Eq. (1).

It should be replaced by \(x^{\alpha } f(x,y)\).

The corrected Eq. 1 is given below

$$\begin{aligned} (x^{\alpha }{y}')^{\prime }=x^{\alpha }f(x,y). \end{aligned}$$
(1)