@article{10_4153_CMB_1978_005_7,
     author = {Grosswald, Emil},
     title = {Reducible {Rational} {Fractions} of the type of {Gaussian} {Polynomials} with only {Non-Negative} {Coefficients}},
     journal = {Canadian mathematical bulletin},
     pages = {21--30},
     year = {1978},
     volume = {21},
     number = {1},
     doi = {10.4153/CMB-1978-005-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1978-005-7/}
}