@article{10_21136_CMJ_1971_101039,
     author = {Sekaninov\'a, Anna and Sekanina, Milan},
     title = {On the number of polynomials in ordered algebra},
     journal = {Czechoslovak Mathematical Journal},
     pages = {391--398},
     publisher = {mathdoc},
     volume = {21},
     number = {3},
     year = {1971},
     doi = {10.21136/CMJ.1971.101039},
     mrnumber = {0304266},
     zbl = {0234.06014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1971.101039/}
}