1. Periodic derivatives of solutions to nonlinear differential equations;Andres;Czech. Math. J.,1990
2. Derivo-periodic boundary value problems for nonautonomous ordinary differential equations;Andres;Riv. Mat. Pura Appl.,1993
3. Several remarks to problem of Moser and conjecture of Mawhin;Andres;Boll. U.M.I.,1993
4. Splay-phase and anti-splay-phase orbits for equivariant set-valued flows on tori;Andres;Diff. Eqns and Dynam. Systems,1996
5. ANDRES J., A target problem for differential inclusions with state-space constraints, to appear in Demonstratio Math.