Kannan Balakrishnan, Manoj Changat, Anandavally K. Lakshmikuttyamma, Joseph Mathews, Henry Martyn Mulder, Prasanth G. Narasimha-Shenoi, N. Narayanan. Axiomatic characterization of the interval function of a block graph. Discrete Mathematics, 338(6):885-894, 2015. [doi]
Abstract is missing.