@article{10_4064_ap84_1_3,
     author = {Janusz Gwo\'zdziewicz and Maciej S\k{e}kalski},
     title = {A polynomial with $2k$ critical values at infinity},
     journal = {Annales Polonici Mathematici},
     pages = {41--44},
     publisher = {mathdoc},
     volume = {84},
     number = {1},
     year = {2004},
     doi = {10.4064/ap84-1-3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap84-1-3/}
}