Department of Mathematics and Informatics, Adam Mickiewicz University, Poznań, Poland
Bibliografia
[1] P. Hartman, Ordinary Differential Equations, New York-London-Sydney 1964.
[2] H.P. Heinz, On the behaviour of measures of noncompactness with respect to differentiation and integration of vector-valued functions, Nonlinear Analysis 7 (1983), 1351-1371.
[3] S. Szufla, Osgood type conditions for an mth order differential equation, Discuss. Math. Differential Inclusions 18 (1998), 45-55.