WAGNER, Alicia Nicole; SHARMA, Ramesh. Differentiable Functions With Constant Wronskians. Minnesota Journal of Undergraduate Mathematics, [S.l.], v. 4, n. 1, mar. 2019. ISSN 2378-5810. Available at: <https://mjum.math.umn.edu/index.php/mjum/article/view/80>. Date accessed: 19 sep. 2019.