Under the Erasmus programme, from 10.05.2014 to 17.05.2014, prof. UAM dr hab. Dariusz Bugajewski visited University of Calabria, Cosenza, Italy, where he delivered a mini-course for students entitled On a certain method of solving systems of linear differential equations with constant coefficients, conducted research and gave a lecture entitled Nonlinear operators in the spaces of functions of bounded variation in the sense of Jordan.