@article{GDZPPN002356260, title = {On polynomial coverings and their classification.}, journal = {Mathematica Scandinavica}, volume = {47}, year = {1980}, pages = {116-122}, zbl = {0462.57001}, url = {http://dml.mathdoc.fr/item/GDZPPN002356260} }
Moller, Jesper Michael. On polynomial coverings and their classification.. Mathematica Scandinavica, Tome 47 (1980) pp. 116-122. http://gdmltest.u-ga.fr/item/GDZPPN002356260/