@article{GDZPPN002027011, title = {Types of Singularity of Components of Difference Polynomials}, journal = {Aequationes mathematicae}, volume = {9}, year = {1973}, pages = {236-241}, zbl = {0265.12103}, url = {http://dml.mathdoc.fr/item/GDZPPN002027011} }
COHN, RICHARD M. Types of Singularity of Components of Difference Polynomials. Aequationes mathematicae, Tome 9 (1973) pp. 236-241. http://gdmltest.u-ga.fr/item/GDZPPN002027011/