Bibliography
Avann, S. P.,Application of the Join-Irreducible Excess Function to Semi-Modular Lattices, Math. Ann.142, 345–354 (1961).
Avann, S. P.,Locally Atomic Upper Locally Distributive Lattices, Math. Ann.175, 320–336 (1968).
Dean, R. A. andKeller, G.,Natural Partial Orders, Canad. J. Math.20, 535–554 (1968).
Hillman, A. P.,On the Number of Realizations of a Hasse Diagram by Finite Sets, Proc. Amer. Math. Soc.6, 542–548 (1955).
Klarner, D. A.,The Number of Graded Partially Ordered Sets, J. Combinatorial Theory,6, 12–19 (1968).
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Avann, S.P. The lattice of natural partial orders. Aeq. Math. 8, 95–102 (1972). https://doi.org/10.1007/BF01832739
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DOI: https://doi.org/10.1007/BF01832739