15 references, page 1 of 2 [1] A. Basile, K. P. S. Bhaskara Rao, Completeness of Lp-Spaces in the Finitely Additive Setting and Related Stories, J. Math. Anal. Appl. 248, (2000) 588-624.

[2] W. C. Bell, J. W. Hagood, Completeness of Lp spaces and Radon-Nikodym theorems for unbounded finitely additive measures, J. Math. Anal. Appl. 218 (1998) 82-96.

[3] K. P. S. Bhaskara Rao, M. Bhaskara Rao, Theory of charges, Academic Press, London, 1983.

[4] A. Blass, R. Frankiewicz, G. Plebanek, C. Ryll-Nardzewski, A note on extensions of asymptotic density, Proc. Amer. Math. Soc. 129 (11) (2001) 3313-3320.

[5] M. Blu¨mlinger, Levy group action and invariant measures on βN, Trans. Amer. Math. Soc. 348 (12) (1996) 5087-5111.

[6] R. C. Buck, The measure theoretic approach to density, Amer. J. Math. 68 (1946) 560-580.

[7] C. Chou, Minimal sets and ergodic measures for βN \ N, Illinois J. Math. 13 (1969) 777-788.

[8] P. Letavaj, L. Miˇs´ık, M. Sleziak, Extreme points of the set of density measures, J. Math. Anal. Appl. 423 (2015) 1150-1165.

[9] D. Maharam, Finitely additive measures on the integers, Sankhya Ser. A 38 (1976) 44-59.

[10] A. H. Mekler, Finitely additive measures on N and the additive property, Porc. Amer. Math. Soc. 92 (1984) 439-444.