The monodromy groupoid was first inlioduced by Pradines in  and developed by Mucuk in  In this paper we give an application of the monodromy groupoid.
MUCUK, Osman (1997) "An Application of Monodromy Groupoid," Turkish Journal of Mathematics: Vol. 21: No. 2, Article 11. Available at: https://journals.tubitak.gov.tr/math/vol21/iss2/11