Institute of Applied Mechanics
Egerlandstraße 5
91058 Erlangen
Germany
Department of Mathematics
Rzeszow University of Technology
W. Pola 2, 35-959, Rzeszow
Poland
Mechanical Engineering
Beethovenstr. 1
73430 Aalen
Germany
Institute of Applied Mechanics
Egerlandstraße 5
91058 Erlangen
Germany
Institute of Applied Mechanics
Egerlandstraße 5
91058 Erlangen
Germany
Mechanical Engineering
Beethovenstr. 1
73430 Aalen
Germany
Mechanical Engineering
Beethovenstr. 1
73430 Aalen
Germany
Institute of Applied Mechanics
Egerlandstraße 5
91058 Erlangen
Germany
Department of Mathematics
Rzeszow University of Technology
W. Pola 2, 35-959, Rzeszow
Poland