@article{ETNA_2017__46__a10,
     author = {Janovsk\'a, Drahoslava and Opfer, Gerhard},
     title = {The number of zeros of unilateral polynomials over coquaternions and related algebras},
     journal = {Electronic transactions on numerical analysis},
     pages = {55--70},
     publisher = {mathdoc},
     volume = {46},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2017__46__a10/}
}