@article{GDZPPN002460742, title = {An Axiomatic Theory of Heterogeneity and Homogeneity.}, journal = {Metrika}, volume = {33}, year = {1986}, pages = {223-245}, zbl = {0616.62150}, url = {http://dml.mathdoc.fr/item/GDZPPN002460742} }
Lubbe, J.C.A. van der. An Axiomatic Theory of Heterogeneity and Homogeneity.. Metrika, Tome 33 (1986) pp. 223-245. http://gdmltest.u-ga.fr/item/GDZPPN002460742/