%0 Journal Article %A Perles, M. A. %A Sallee, G. T. %T Cell Complexes, Valuations, and the Euler Relation %J Canadian journal of mathematics %D 1970 %P 235-241 %V 22 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1970-030-9/ %R 10.4153/CJM-1970-030-9 %F 10_4153_CJM_1970_030_9