@article{AULFM_1991_04_a5,
     author = {Nguyen, Van Man},
     title = {Characterization of polynomials in algebraic elements with commutative coefficients and its applications},
     journal = {Acta Universitatis Lodziensis. Folia Mathematica},
     year = {1991},
     volume = {04},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AULFM_1991_04_a5/}
}