On sparse hamiltonian 2-decompositions together with exact count of numerous Hamilton cycles.

Zdzislaw Skupien On sparse hamiltonian 2-decompositions together with exact count of numerous Hamilton cycles. 231-235 2006 24 Electronic Notes in Discrete Mathematics http://dx.doi.org/10.1016/j.endm.2006.06.032 db/journals/endm/endm24.html#Skupien06