A Generalization of Kotzig's Theorem and Its Application.

Richard Cole Lukasz Kowalik Riste Skrekovski A Generalization of Kotzig's Theorem and Its Application. 93-106 2007 21 SIAM J. Discrete Math. 1 http://dx.doi.org/10.1137/050646196 db/journals/siamdm/siamdm21.html#ColeKS07