1 Subjects: “...Mathematical analysis...”

2 “...Compact Textbooks in Mathematics...”

3 “... in modern mathematical modelling - nonlinear mathematical models are more realistic and describe the real...”

4 “... equations. Both pure mathematical research and real word applications are reflected by the contributions...”

5 “... covering a variety of problems in ordinary differential equations. . Both, pure mathematical research...”

6 “... of periodic solutions of ordinary differential equations related to the physical and mathematical question...”