A. Blass and B. E. Sagan, M??bius Functions of Lattices, Advances in Mathematics, vol.127, issue.1, pp.94-123, 1997.
DOI : 10.1006/aima.1997.1616

P. Hall, THE EULERIAN FUNCTIONS OF A GROUP, The Quarterly Journal of Mathematics, vol.7, issue.1, pp.134-151, 1936.
DOI : 10.1093/qmath/os-7.1.134

G. Rota, On the foundations of combinatorial theory I. Theory of M???bius Functions, Zeitschrift f???r Wahrscheinlichkeitstheorie und Verwandte Gebiete, vol.73, issue.4, pp.340-368, 1964.
DOI : 10.1007/BF00531932

E. Bruce and . Sagan, Why the characteristic polynomial factors, Bull. Amer. Math. Soc. (N.S.), vol.36, issue.2, pp.113-133, 1999.

K. Saito, Theory of logarithmic differential forms and logarithmic vector fields, J. Fac. Sci. Univ. Tokyo Sect. IA Math, vol.27, issue.2, pp.265-291, 1980.

R. P. Stanley, Supersolvable lattices, Algebra Universalis, vol.40, issue.2, pp.197-217, 1972.
DOI : 10.1007/BF02945028
URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.697.8871

H. Terao, Generalized exponents of a free arrangement of hyperplanes and Shepherd-Todd-Brieskorn formula, Inventiones Mathematicae, vol.56, issue.1, pp.159-179, 1981.
DOI : 10.1007/BF01389197

L. Weisner, Abstract theory of inversion of finite series, Transactions of the American Mathematical Society, vol.38, issue.3, pp.474-484, 1935.
DOI : 10.1090/S0002-9947-1935-1501822-0

T. Zaslavsky, Signed graph coloring, Discrete Mathematics, vol.39, issue.2, pp.215-228, 1982.
DOI : 10.1016/0012-365X(82)90144-3
URL : http://doi.org/10.1016/0012-365x(82)90144-3