@article{AFM_1997_22_1_a6,
     author = {Timo Erkama},
     title = {Polymorphisms and linearization of nonlinear polynomials},
     journal = {Annales Fennici Mathematici},
     pages = {113--121},
     year = {1997},
     volume = {22},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AFM_1997_22_1_a6/}
}