Enforced hamiltonian cycles in generalized dodecahedra. - Maria Timkova (Electron. J. Graph Theory Appl., 2013)

Non-hamiltonian graphs in which every edge-contracted subgraph is hamiltonian. - Igor Fabrici; Tomás Madaras; Maria Timkova; Nico Van Cleemput; Carol T. Zamfirescu (Appl. Math. Comput., 2021)