Ground state periodic solutions for difference equations with discrete p-Laplacian. - Petru Jebelean; Calin Serban (Appl. Math. Comput., 2011)

Superlinear discrete problems. - Gabriele Bonanno; Petru Jebelean; Calin Serban (Appl. Math. Lett., 2016)

Multiple critical orbits to partial periodic perturbations of the p-relativistic operator. - Petru Jebelean; Jean Mawhin; Calin Serban (Appl. Math. Lett., 2020)